Forthcoming and Online First Articles

International Journal of Procurement Management

International Journal of Procurement Management (IJPM)

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International Journal of Procurement Management (68 papers in press)

Regular Issues

  • Best HRM Practices: Evidence from Private Sector   Order a copy of this article
    by Omar Jaber Aburumman, KHATIJAH OMAR, Jusuf Irianto 
    Abstract: The literature has proposed many different practices without consensus on which one of them or a set of them constitutes the best HRM practice. The purpose of this paper is to develop a model that includes best HRM practices by examining all practices which have been developed in the literature. The focus group interview was performed with nine managers of HR department in the Jordanian private sector. The results indicated that career opportunities, compensation, HR planning, performance appraisal, promotion, recruitment and selection, training, and development are the best HRM practices. There are three implications for practice are: 1) obtain talented employees in order to achieve the organisation’s objectives by practices of HR planning, recruitment, and selection; 2) meet the requirements and needs of employees and motivating desired behaviour by the practice of compensation; 3) ensure the progress of employees by practices of career opportunities, performance appraisal, promotion, training.
    Keywords: best HRM practices; focus group interview; social exchange theory; private sector.
    DOI: 10.1504/IJPM.2021.10043974
  • Sustainable procurement in Ghana: A systematic literature review and future research agenda   Order a copy of this article
    by Foster A. Opoku-Mensah, Theophilus Maloreh-Nyamekye, Albert Ahenkan, Benjamin Awuah 
    Abstract: The focus of the study was to set an agenda for sustainable procurement (SP) research. Adopting a systematic literature review approach, data was collected from articles published in internet-based journals. Without restricting evidence to a particular sector, 25 articles were collected from a period spanning 2007 to 2020, analysed descriptively, and presented results in descriptive and thematic form. The findings indicated SP research in Ghana has been silent until 2013. Studies are concentrated in the mining and construction industries. The practice of SP was reported to be low with differing practices from sector to sector but with prospects and opportunities for promotion. 20 factors and challenges were identified. The recent surge in the research revealed by the results calls for studies into several issues like comparing the effects of decentralised and centralised purchasing agreements on SP adoption using different approaches, levels of analysis, contexts, conceptual and methodological approaches.
    Keywords: gap; Ghana; literature; procurement; systematic; review; SLR; sustainability; sustainable procurement.
    DOI: 10.1504/IJPM.2021.10043975
  • An evaluation model for measuring the impact of omnichannel information processing on digital shopping decision   Order a copy of this article
    by Jugal Kishor, Saket Kumar Bhardwaj, Swati Sharma 
    Abstract: Recently, the term omnichannel has been associated with some consumers due to their information processing tendency through physical as well as digital channels. This multichannel viewpoint of consumers tends to offer a seamless digital shopping experience. Consequently, the central objective of this paper is to diagnose the contribution of omnichannel information processing in digital shopping decisions. Elaboration likelihood model (ELM) is employed as a theoretical framework to design the research paper and to understand important contributors of omnichannel behaviour to affect digital shopping decisions. A survey was conducted to organise data from 423 respondents. The proposed hypotheses were analysed using PLS-path modelling and PLS-MGA. The findings supported that omnichannel tendency positively affect digital shopping decision through the central route as well as the peripheral route of information processing. This work offers omnichannel behaviour as a consumer characteristic in information search and analysis. Furthermore, this assignment provided a platform to integrate traditional theories with new concepts.
    Keywords: omnichannel; emotion; digital shopping decision; central cues; peripheral cues; information search.
    DOI: 10.1504/IJPM.2021.10043988
  • Suppliers’ collusion in public procurement: ex-ante determinants in zero initial contract price decrease auctions (the case of Russian healthcare)   Order a copy of this article
    by Evgenii V. Gilenko, Andrew Ivanov, Anastasia A. Golubeva, Olga N. Bezhenar 
    Abstract: In public procurement, awareness of the public buyer of the potential collusive behaviour of suppliers at auctions may help mitigate the risks of only a slight decrease of the initial contract price (ICP). In this research, we focus on a special case of zero ICP decrease auctions (due to suppliers’ collusion) to identify the factors that significantly increase the probability of occurrence of such cases. A unique cross-sectional dataset on more than 42,000 electronic reverse (price) auctions conducted over 2014
    Keywords: suppliers’ collusion; second-price auctions; public procurement; healthcare; rare event binary logistic regressions.
    DOI: 10.1504/IJPM.2021.10043990
  • Leftover Materials and Circular Economy 4.0: Applications and Implications   Order a copy of this article
    by Yudi Fernando, Joel Marianus 
    Abstract: The manufacturing sector continues to expand and appears to be more focused on environmental-based production. There is a need to understand how the manufacturing firms capable of utilising Industry 4.0 technology to improve remanufacturing process efficiency and procurement planning such as leftover materials, return products and scraps. This paper aims to propose the effectiveness of remanufacturing process, which turns waste into value-added products using the circular economy 4.0 approach. Data were collected during the Malaysian restriction of movement order of the COVID-19 pandemic using an online interview with key persons in charge of remanufacturing. The finding shows the circular economy 4.0 fits well to achieve the effectiveness of remanufacturing processes and less labour physical contacts. The proposed framework can help manufacturers empower business sustainability in production and supply chains, leading to firm competitiveness.
    Keywords: circular economy; remanufacturing; supply chain; Industry 4.0; COVID-19; value-added product; sustainability.
    DOI: 10.1504/IJPM.2021.10043991
    by Oswald Atiga, Bright Tanzubil Junior 
    Abstract: This study assessed the extent of the implementation of procurement ethics among public entities in the Upper East Region (UER) of Ghana. A descriptive research design was applied. Simple random and purposive sampling techniques were used to select 268 respondents composed of senior managers, heads of departments, section heads and procurement officers of the selected public entities across the region. The quantitative data was collected through an interviewer-administered questionnaire. Data was keyed into CSPro 7.4, transferred to version 28 of SPSS and analysed. A chi-square was applied to test the relationship among the elements of procurement ethics in selected public entities in the region. The study established that law enforcement and health sector public entities ranked highest in the implementation of ethical procurement practices whiles those in the educational sector ranked lowest. The study found a significant association between procurement ethical factors such as accountability and transparency, conformity to laws and ethical standards, conflict of interest, confidentiality and impartiality and fairness. No association was found for honesty and integrity, avoidance of appearance of impropriety, due diligence and professionalism as confirmed from their respective p-values.
    Keywords: procurement ethics; procurement practice; public procurement; procurement entities; public sector; Bolgatanga Municipality; Upper East Region; UER; Ghana.
    DOI: 10.1504/IJPM.2021.10043992
  • Effect of Time Value of Money in Production Inventory models for Deteriorative items with Price-Exponential Demand in third order equation   Order a copy of this article
    by Choudri V., Senthilkumar C. 
    Abstract: A production inventory models for deteriorative items with price-dependent demand joint with exponential time dependent demand is considered in this research. The demand models found in the literature include constant, linear quadratic, exponential, price dependent and stock dependent among others. To witness, no study exists that uses price-dependent demand joint with exponential time dependent demand for deteriorating items. Two models are developed: The first model uses price-dependent demand joint with exponential time dependent demand and in the second model uses effect of time value of money in model 1. Mathematical models are delineated for each model and relevant examples are provided to elucidate the proposed procedure. The objective herein is to obtain optimum order quantities and order intervals with respect to overall maximise profit. Sensitivity analysis is provided for each of the two models. The necessary data was generated using Visual Basic 6.0.
    Keywords: inventory; deterioration; production; TVM; PDD; optimality; total profit; sensitivity analysis.
    DOI: 10.1504/IJPM.2021.10044331
  • One way or another: The relationship between trust and transparency in buyer-supplier relationships   Order a copy of this article
    by Wolfgang Buchholz, Felix Jeschke, Antonia Kappel 
    Abstract: Based on a variety of environmental, technological, and product-orientated changes, there has been a shift towards increased global collaboration between buyers and sup-pliers. This paper examines the mutual influence of trust and transparency at different developmental stages of these collaborative relations. In particular, it investigates a correlation of trust and transparency. An extensive literature review is here combined with an exploratory-qualitative World Caf
    Keywords: trust; transparency; buyer-supplier relation; knowledge-sharing; World café.
    DOI: 10.1504/IJPM.2021.10044991
  • Exploring the Major Causes of PPP Project Failures-A survey   Order a copy of this article
    by Adnan Saif Salim AlSaaidi, Abdullahi Ahmed Umar, Luisito Borlongan Layon, Atef Badr 
    Abstract: Over the last decade, there has been a growing incidence of public-private partnerships (PPPs) project failures leading to a wave of
    Keywords: PPP failures; infrastructure regulation; skills; public sector; private sector.
    DOI: 10.1504/IJPM.2021.10044992
  • No-capability defence acquisition: A literature review on policy and practice of military acquisition within NATO and the EU   Order a copy of this article
    by Alexandre Verlaine  
    Abstract: Most research in Defence centres on big NATO nations, while much less focus has been given to smaller NATO nations. The paper explores this issue. First, the author redefines the term
    Keywords: defence acquisition; small NATO nations; no-capability NATO nations.
    DOI: 10.1504/IJPM.2021.10045018
  • Conceptual Framework for Sustainable Procurement of Construction Works   Order a copy of this article
    by Yunita Messah, Muhamad Abduh, Reini Wirahadikusumah 
    Abstract: The development of a sustainable procurement framework for construction work is needed to assist the organisation in implementing sustainable procurement. In formulating a sustainable construction procurement framework, it is necessary to build a conceptual framework for sustainable procurement. The conceptual framework is a conceptual structure containing important interrelated elements in providing a comprehensive understanding of sustainable procurement. The methodology used in formulating the conceptual framework is based on a theory with a qualitative approach that aims to describe and explain the pattern of relationships between elements with the concept of sustainable procurement. The results of the qualitative analysis show that ISO 20400 in 2017 has included elements of sustainable procurement in construction projects. So that ISO 20400 can be used as a reference in developing a sustainable procurement framework for construction work. Develop a sustainable procurement framework for construction work based on a thorough understanding and application of the four dimensions of sustainable procurement.
    Keywords: conceptual framework; sustainable principles; sustainability; construction procurement; sustainable procurement.
    DOI: 10.1504/IJPM.2021.10045020
  • Multi-Objective Optimization Model of Supplier Selection and Order Allocation Problem in A Hospital: A Case Study   Order a copy of this article
    by Cucuk Nur Rosyidi, Ryan Adesta Yudhatama, Pringgo Widyo Laksono 
    Abstract: This study aims to determine a set of suppliers using sustainability criteria and the optimal order allocation to the selected suppliers at a University Hospital in Central Java, Indonesia. In this research, we propose the combination of two multi-criteria decision-making (MCDM) approaches to determine the best supplier, namely, best-worst method (BWM) and the measurement alternatives and ranking according to compromise solution (MARCOS). Multi-objective mixed-integer linear programming (MOMILP) is then used to determine the optimal quantity of drug orders. A sensitivity analysis studies the model’s sensitivity to some parameters. The results show that the model is sensitive to the changes in purchasing price and defect rate.
    Keywords: supplier selection; BWM; MARCOS; order allocation; multi-objective linear programming.
    DOI: 10.1504/IJPM.2022.10045389
  • Multi-item Sustainable Manufacturing Model for Cleaner Production System under Imprecise Demand and Random Defective Rate   Order a copy of this article
    by Saif Sami, S.K. Shon, Dharmendra Yadav 
    Abstract: The present study revisits the multi-item economic production quantity model by considering that production process is not perfect with the planned backorder. The present study aims to make the production system as a cleaner production system by considering a reworking process for random defective items which is uniformly distributed. In addition to this, to make the production system cleaner, an investment is made to control the production process. Based on the reworking time, two different inventory models are proposed under the effect of uncertainty in demand. Impreciseness in demand is handled by applying fuzzy set theory. Centroid method is applied to defuzzified the objective function. The global optimal solution is derived by using a nonlinear optimisation technique. Numerical analysis with sensitive analysis is provided to illustrate the proposed model. From analysis it is observed that due to increase in investment, 98% reduction in waste management cost and 11% reduction in total cost is observed. Thus, investment in system improvement is helpful to achieve the task of clean production. The study also highlighted the advantage of outsourcing for a cleaner environment. In the end, sensitivity analyses are also carried out, and based on managerial insights are provided.
    Keywords: cleaner production; rework; random defective rate; multi-item; screening process.
    DOI: 10.1504/IJPM.2022.10045954
  • Optimal pricing policy for deteriorating items with continuous compounding under price-sensitive demand and shortages   Order a copy of this article
    by Mrudul Jani, Bhavisha Kotak, Manish Betheja 
    Abstract: In any business organisation, the customer’s demand for product plays an important role to generate maximum revenue. In practice, demand of the product does not always remain constant, it may change with selling price of the product. Therefore, this study considers the price-sensitive demand; where the items deteriorate at constant rate. A surge in demand leads to product unavailability, resulting in shortages. Hence, the exponentially partially backlogged shortages also considered. The principle of continuous compounding is employed to calculate the opportunity cost using compound interest and an annual rate of interest. The main aim is to optimise the retailer’s total profit function in terms of cycle time, the time when inventory vanishes, and selling price by using the classical optimisation technique. The optimality of this research is demonstrated using a numerical example and its graphical representation. A sensitivity analysis of the major parameters is performed, and managerial implications are examined.
    Keywords: compound interest; deterioration; inventory; price-sensitive demand; partial exponential backorders.
    DOI: 10.1504/IJPM.2022.10045981
  • Auditing practices in banks: an empirical study of Jordan   Order a copy of this article
    by Borhan Omar Al-Dalaien, Ala Hussein Al-Bawwat, Zeyad Almatarneh, Mo’taz Kamel Al Zobi, Mazen Alomari, Basman Omar Al-Dalayeen 
    Abstract: This paper proposes a framework to analyse effectiveness, uniformity, relationship and responsibility in the banking sector using Jordan as an example. The perceptions of Jordanian banks internal and external auditors in addition to financial managers have been investigated. In general, it was found that the respondents believe that audit quality in the Jordanian banking sector ranges from satisfactory to very good. The results indicate a positive and significant correlation between audit quality and effectiveness and relationship. The data was collected from 100 auditors. This approach provides a more comprehensive framework to examine the banking sector. With an audit function, businesses must be operating in accordance with the pre-determined policies, enacted regulations, and rules. Internal auditing is closely tied to the internal control of bank operations and helps to ensure against deliberate losses and ems.As far as contribution is concerned, this study is regarded to be innovative and is one of the first to explore auditing at Jordanian banks.
    Keywords: responsibility; effectiveness; Jordanian banks; auditing practices; Jordan.
    DOI: 10.1504/IJPM.2021.10046303
  • Multi-item sustainable manufacturing model for cleaner production system under imprecise demand and random defective rate   Order a copy of this article
    by Saif Sami 
    Abstract: The present study revisits the multi-item economic production quantity model by considering that production process is not perfect with the planned backorder. The present study aims to make the production system as a cleaner production system by considering a reworking process for random defective items which is uniformly distributed. In addition to this, to make the production system cleaner, an investment is made to control the production process. Based on the reworking time, two different inventory models are proposed under the effect of uncertainty in demand. Impreciseness in demand is handled by applying fuzzy set theory. Centroid method is applied to defuzzified the objective function. The global optimal solution is derived by using a nonlinear optimisation technique. Numerical analysis with sensitive analysis is provided to illustrate the proposed model. From analysis it is observed that due to increase in investment, 98% reduction in waste management cost and 11% reduction in total cost is observed. Thus, investment in system improvement is helpful to achieve the task of clean production. The study also highlighted the advantage of outsourcing for a cleaner environment. In the end, sensitivity analyses are also carried out, and based on managerial insights are provided.
    Keywords: cleaner production; rework; random defective rate; multi-item; screening process.
    DOI: 10.1504/IJPM.2021.10046304
  • Do Soft Resources Improve Organizational Performance The Mediating Role of Purchasing Social Responsibility   Order a copy of this article
    by Muhammad Bilal Gulfraz, Muhammad Sufyan, Naeem Akhtar 
    Abstract: The paper examines the impact of software resources (e.g., top management support and a sustainability-oriented organisational culture) on purchasing social responsibility and organisational performance using the dynamic capabilities theory. To validate the hypothesised relationships, we conducted 237 surveys across Pakistan’s 12 manufacturing industries. For analytical purposes, structural equation modelling and AMOS plugins are applied to substantiate the direct and mediating relationships. The findings indicate that top management support enables the development of sustainable organisational culture and the adoption of sustainable purchasing and procurement practices. Additionally, the findings indicate that a sustainable organisational culture and PSR act as a buffer between top management support and organisational performance. The study contributes to the debate on resource-based perspectives within the PSR domain by utilising insights from dynamic capabilities. By doing so, it emphasises the importance of using core strategic management theories to understand the different aspects of PSR.
    Keywords: purchasing social responsibility; PSR; triple bottom line; TBL; top management support; sustainability-oriented organisational culture.
    DOI: 10.1504/IJPM.2022.10046595
  • Dynamic multi-depot vehicle routing problem in the era of Industry 4.0   Order a copy of this article
    by Maryam Abdirad, Krishna Kumar Krishnan, Deepak Gupta 
    Abstract: The ongoing challenge for supply chain systems is accommodating real-time changes and unpredictable demands from system entities or customers. In a dynamic commodity delivery system, new orders enter the system while the vehicles are already on-route deliver scheduled orders. The critical problem in such cases is developing the intelligence to dynamically respond to changing demands while minimising transportation costs. In this research, an innovative Industry 4.0 approach was used to suggest a solution to
    Keywords: two-stage algorithm; heuristic; multi-depot vehicle routing problem.
    DOI: 10.1504/IJPM.2022.10046654
  • Exploring Stakeholder’s understanding of procurement performance expectations gap in public works contracts in Uganda’s district local governments: A qualitative analysis of results   Order a copy of this article
    by Charles Kalinzi, Joseph Ntayi, Moses Muhwezi, Levi Kabagambe Bategeka, John Munene 
    Abstract: Studies on performance expectations gaps is sparse and incomplete, and yet it is becoming an increasing concern in public procurement. This study borrowed the concept of expectations gap from auditing, accounting and focused on how do the different stakeholders with different needs, interests and expectations, perceive and interpret the procurement performance expectations gap (PPEG) in roadworks contracts. Thirty-three key informants in two categories of technical personnel and road users were selected using purposive sampling from the four regions of Uganda. Semi-structured interview guides were used to gain insight into understanding PPEG, and data was subjected to rigorous statistical analysis using ATLAS.ti version 22 software. Respondents understood PPEG to mean general lapse of procurement performance failure punctuated with growing levels of performance dissatisfaction, narrowness of the community access roads, delayed completion of road network and inconsistency in the quality of completed works, with three emerging themes: 1) laxity in performance efficiency; 2) laxity in performance effectiveness; 3) low level of community satisfaction. The implications of this study shows that whereas the technical personnels perception that the road users opinions might be grossly wrong, they must be respected in order to have a holistic community roadworks acceptance and support.
    Keywords: procurement performance expectations gap; PPEG; community access roadworks; technical personnel; road users; ATLAS.ti; ‘arm-chair’ auditors.
    DOI: 10.1504/IJPM.2022.10047104
  • The influence of dividends on investment: Evidence from Vietnamese listed firms   Order a copy of this article
    by Kim Quoc Trung NGUYEN  
    Abstract: The paper aims to estimate the impact of dividends on the investment decisions of listed companies in Vietnam from 2009 to 2019. Agency theory and asymmetric information theory are used to explain the relationship between dividends and investments. These theories are in use in the markets with low information transparency, particularly the Vietnamese stock market. The early financial literature, such as Fama and Miller (1972), has attested that the dividend should not depend on firms investment; while this study proves the dependence of investment on dividends by employing a quantitative research method (two-stage least-squares 2SLS). Put in another way, the author discovers that dividends have a statistically significant negative impact on investment. Furthermore, tests of endogeneity and over-identifying restrictions are conducted to determine the validity of instrument variables and the unbiasedness of research results.
    Keywords: agency theory; asymmetric information theory; dividends; investment; 2SLS; Vietnam.
    DOI: 10.1504/IJPM.2023.10047135
  • Revealing differences of supplier performance with DEA cross-efficiency   Order a copy of this article
    by Imre Dobos, Gyöngyi Vörösmarty 
    Abstract: DEA is a well-known tool for measuring the effectiveness of decision units. It is used to support a wide range of management decisions and is also widely used to support supplier assessment tasks such as selection, performance evaluation, or post-qualification. Ranking can be important when making certain purchasing decisions, e.g., when selecting the best performing supplier(s). However, ranking can hide differences in performance that may have a significant impact on the outcome of the supplier selection. Suppliers can be evaluated by two types of DEA efficiency indicators: self-appraisal and peer-appraisal (cross-efficiency). The aim of this paper is to introduce a new method that maximises cross-efficiency by leaving the self-appraisal indicator. It is shown that the average of cross-efficiencies can be characterised as an optimal cross-efficiency of suppliers. The new method helps to understand differences in supplier performance, which may be hidden in the ranking provided by the basic DEA method.
    Keywords: supplier evaluation; data envelopment analysis; DEA; cross-efficiency; sustainability.
    DOI: 10.1504/IJPM.2022.10047186
  • The Effect of ICT Infrastructure on Business Performance of Micro and Small Enterprises in Yemen: The Moderating Effect of Social Media Marketing   Order a copy of this article
    by Sabri Shaker, Fadhiha Mokhtar, Nur Aishah Awi, Safiek Mokhlis 
    Abstract: This study aims to examine the effect of information and communication technology (ICT) infrastructure on the performance of micro and small enterprises (MSEs) in Yemen and evaluate the moderating impact of social media marketing (SMM) adoption. A literature dissection on ICT infrastructure on business performance of MSEs was conducted to develop a structural model and generate the scale items. Collected data was obtained by distributing a questionnaire to 384 managers/owners of manufacturing MSEs in Yemen and analysed using a structural equation model with the partial least square method using SmartPLS version 3.2.7 software. The study found that ICT infrastructure positively impacts the performance of SMEs. SMM also has a significant impact on the performance of MSEs. Furthermore, the results indicate that SMM does not moderate the relationship between ICT infrastructure and business performance. There are many studies on business performance, but few on the micro and small manufacturing enterprise sector and the impact of ICT infrastructure and SMM on its performance.
    Keywords: business performance; social media marketing; SMM; micro and small enterprises; MSEs; information and communication technology infrastructure.
    DOI: 10.1504/IJPM.2022.10047245
  • Measuring compliance in public procurement: the case of Tanzania   Order a copy of this article
    by Mordecai C. Matto, Ahmed M. Ame, Paul M. Nsimbila 
    Abstract: The study identified the key performance indicators used to measure compliance in public procurement and its measurement approach. It further examined the efficiency of the indicators to measure procurement compliance. The study adopted an exploratory sequential mixed method. The qualitative data were first collected and then analysis was performed. The results of qualitative data were used to plan for the collection of quantitative data. The qualitative data were collected using the documentary review while the quantitative data were collected using surveys. The structural equation modelling and content analysis were used to analyse quantitative and qualitative data. The study revealed that compliance in public procurement is assessed by using seven performance indicators and 92 sub-indicators. The key performance indicators are measured on a ratio scale. Using the confirmatory factor analysis, the study confirms that the key performance indicators are efficient to measure public procurement compliance.
    Keywords: compliance; public sector procurement; key performance indicators; KPIs; Tanzania.
    DOI: 10.1504/IJPM.2022.10047502
  • Guidelines for procurement management efficiency in industrial business sectors   Order a copy of this article
    by Kanyarat Sukhawatthanakun, Taweesak Roopsing, Thanin Silpcharu 
    Abstract: This study aimed to discover the guidelines for procurement management efficiency in industrial business sectors and develop a structural equation modelling; through mixed-methodology research, with qualitative and quantitative research methods - the quantitative data from 500 executives of industrial business with a questionnaire. The collected data were analysed with descriptive, inference, and multivariate statistics. The finding indicated that guidelines for procurement management efficiency in industrial business sectors consisted of the four elements: organisation change, internal control process, technology management, and business alliance network. Interestingly, the developed structure equation modelling analysis confirmed that it was under the empirical data and passed the SEM evaluation criteria.
    Keywords: procurement efficiency; organisation change; internal control process; technology management; business alliance network; industrial business; structural equation modelling; SEM.
    DOI: 10.1504/IJPM.2022.10047504
  • Fuzzy-optimisation-based decision-making support for integrated order allocation, production planning, and inventory control in supply chain management   Order a copy of this article
    by Solikhin Solikhin, Sutrisno Sutrisno, Abdul Aziz, Purnawan Adi Wicaksono 
    Abstract: This study proposes a fuzzy-optimisation model to be used as decision-making support for problems associated with order allocation, production planning, and inventory control. The model was used because some parameters in the problems were uncertain and treated as fuzzy variables. It was further optimised to perform two objective functions which include product quantity and total operational cost. Fuzzy-expectation-based programming was applied to make an optimal decision on the quantity of raw materials to be ordered from each supplier as well as to ascertain the quantity of products to be produced and the raw materials and products to be stored in the warehouse. Moreover, numerical experiments were conducted to demonstrate the procedure through which the problem was solved and the results showed the proposed decision-making support system is reliable.
    Keywords: fuzzy programming; mathematical optimisation; supply chain management; inventory control.
    DOI: 10.1504/IJPM.2022.10048141
  • Effect of late payments on the transaction costs of Brazilian public procurement carried out through electronic auctions   Order a copy of this article
    by Matheus Pereira Libório, Patrícia Bernardes, Petr Ekel, Luiz Flavio Autran Monteiro Gomes 
    Abstract: This research investigates the effects of late payments on the performance of micro and small companies in public procurement. The study uses 214,564 records of electronic auctions performed by public buyers between 2016 and 2018 in Minas Gerais, Brazil. The theoretical framework is supported in the transaction costs literature and the operational framework in agent-based models. Results show that public buyers benefit themselves by paying contracts on time. First, on average, product prices can be 1.06 times lower, as suppliers no longer transfer transaction costs by managing late payments to product prices. Second, product prices can be even lower, as product prices are 1.2% cheaper for each additional supplier in the auction, and micro and small companies increase their participation in auctions by 30%. The research contributions are associated with predicting the efficiency of laws in reducing transaction costs to support or not changes in the current law.
    Keywords: transaction costs; public procurement; electronic auctions; agent-based models.
    DOI: 10.1504/IJPM.2022.10048539
  • An EOQ model for Deteriorating Products with Green Technology Investment and Trade Credit Financing   Order a copy of this article
    by DHARMESH KATARIYA, Kunal Shukla 
    Abstract: Carbon reduction plays a significant role in encouraging green inventories and in market demand which is affected by products selling price. So, we considered green technology investment and selling price dependent linear demand in presented economic order quantity (EOQ) model. The retailer is permitted a specific period to acquire cash flow by supplier and hence, retailer gets more time for investing in green technology and managing sustainability. Sources of carbon emission from transportation and storing inventory process are considered, carbon tax regulation helps to manage carbon emission levels. Our aim to optimise the retailers total profit at the optimal value of cycle time, selling price, and green technology investment cost for perishable deteriorating products with fixed expiry dates. Classical optimisation method is applied to determine the optimal value of decision variables. For the authentication of suggested model, numerical examples are taken, we have proved the concavity of the profit function of the system using a Hessian matrix method and graphically, and to generate managerial insights, the sensitivity analysis is done for each decision variable by changing the inventory parameters.
    Keywords: inventory; expiration dates; carbon emission; carbon tax; green technology investment; GTI; sustainability; trade credit.
    DOI: 10.1504/IJPM.2023.10048720
  • Transaction costs and architectural complexity in no-capability defence acquisition   Order a copy of this article
    by Alexandre Verlaine  
    Abstract: The paper addresses the research gap between big and small military powers and investigates the challenges in defence acquisition through the perspective of a no-capability NATO nation. First, the author discusses different contractual approaches in no-capability defence acquisition using transaction cost economics and identifies three important transaction cost factors: seconding liaison officers, aligning budget calendars and agreeing on key user requirements. Second, the author inquires the systemic complexity that lies at the heart of modern weapon systems and shapes defence contracts. Drawing on architectural innovation, the analysis demonstrates that small/no-capability NATO nations have a structural disadvantage in relation to developing/acquiring advanced weapon systems. Finally, the author examines the “dual-use development strategy” as a vehicle for overcoming the structural no-capability disadvantage. Two contrasting case studies on Luxembourg and Estonia illustrate the importance of the competent and demanding military customer and the need for further research on the profile of small/no-capability NATO nations.
    Keywords: transaction costs; architectural complexity; no-capability defence acquisition; Luxembourg.
    DOI: 10.1504/IJPM.2022.10049042
    by John Zunuo Tang, Augustine Anane 
    Abstract: The study concentrated on the effects of inventory management practices on operational performance in War Memorial Hospital and Wedam Medical Center in Upper East Region of Ghana. The study used descriptive research design. 155 respondents were sampled from both hospitals. The study found out that Economic order quantity, Enterprise resource planning and Just in Time was the inventory management systems that were widely employed in the hospitals facilities. The study concludes that, aside the significant effects of inventory management practices on operational performance in the various hospitals, there is like lack of training and proper infrastructure which when not effectively looked at could adversely prevent the hospitals from reaping the full benefits thereof. The study recommends that; management of hospitals should decentralise inventory management by having dedicated staff from each department who will be properly trained to use computerised software for managing inventory.
    Keywords: inventory management; operational performance; service delivery; inventory controls; economic order quantity; enterprise resource planning; just in time.
    DOI: 10.1504/IJPM.2022.10049043
  • Realization of Transparency Implementation of E-Procurement in Election Campaign   Order a copy of this article
    by Ni Wayan Widhiasthini, Nyoman Sri Subawa, Gede Humaswara Prathama, Putu Ayu Titha Paramita Pika 
    Abstract: To foster literacy on the importance of using technology in public sector activities, in realising transparency, speed of service, efficiency, and effectiveness. Using a qualitative descriptive method with a post-positivism approach to examine the object of research, namely the procurement of goods/services based on technology systems. The data collection used includes interviews, observations, and document studies. The occurrence of disruption in the administration of government in e-procurement which was realised in the procurement of campaign props, the realisation of good governance through the involvement of the private sector and the community in government activities, was the application of reinventing government the application of the government’s entrepreneurial spirit. This research focused on the procurement of campaign props, and discuss procurement that occurs in the province of Bali. Contribute to the government in improving the implementation of e-procurement, through increasing the involvement of the private sector and optimising the participation of the community to participate in monitoring. The occurrence of disruption of government administration, emphasises disruptive leaders, disruptive bureaucrats, and disruptive mindsets.
    Keywords: transparency; e-procurement; disruption; election campaign.
    DOI: 10.1504/IJPM.2022.10049049
  • Value Proposition in the Buyer-Seller Relationship Quality: A Mixed Method Approach   Order a copy of this article
    by Sayyed Mohammad Javad Rejali, Ali Sanayei, Majid Mohammad Shafiee 
    Abstract: This paper seeks to conceptually propose a new model of buyer-seller relationship quality (RQ) and then to empirically test the model. Considering several variables in the field of business relationships, this research gives emphasis to mediating and moderating variables. Using a mixed method approach, qualitative research is used to develop our understanding of the buyer-seller RQ and to achieve a new conceptual model. Then the partial least squares (PLS) method is used to uantitatively test the conceptual model. The results indicate that two categories of variables affect the buyer-seller RQ, which we termed inter-organisational and inter-personal variables. Also, RQ and customer perceived value (CPV) serve as mediating variables in the buyer-seller RQ model to influence attitudinal and behavioural loyalty. Additionally, market turbulence and seller openness has been found to play the role of moderating variables.
    Keywords: buyer-seller relationship; customer perceived value; CPV; industrial marketing; market turbulence; mixed method; relationship quality; RQ.
    DOI: 10.1504/IJPM.2022.10049093
  • Determinants of Factors Impacting Buying Intention towards E- Retailing: A Special Reference to Jordan Context   Order a copy of this article
    by Husam Salah, Khaled Theep, Mamdouh Abdulaziz Saleh Al-Faryan, Mosab Tabash, Amgad Saeed 
    Abstract: The immediate aim of the present paper is to examine the effect of trust, risk and attitude on purchase intention in Jordan. Moreover, the study also aims to compare the male-female mean value in terms of purchase intention. The sampling technique of the study follows non-probability approach. Convenient sampling technique was employed in the present article. A self-administrated survey questionnaire was used for the purpose of research. The questionnaires were distributed mainly in Amman, Maan and Al Karak region. The total numbers of respondents were 143. The data has been analysed by SPSS program and AMOS. T test and structural equation modelling were undertaken. The study concludes that trust and attitude significantly impact purchasing intention, whereas perceive risk has no significant effect on purchasing intention. The findings also show positive relationships between variables. The article at hand reflects a step ahead in studies into how private predispositions and safety and privacy signals of customers impact their intention to buy.
    Keywords: purchase intention; online shopping; attitude; risk; consumer behaviour; buyer; trust; Jordan.
    DOI: 10.1504/IJPM.2022.10049206
  • A deterministic model for perishable inventory with variable demand under demand dependent production rate, inflation, and customer returns   Order a copy of this article
    by Amrita Bhadoriya, Mrudul Jani, Manish Betheja 
    Abstract: Due to highly competitive market conditions and globalisation, the manufacturer and the retailer both are struggling a lot to entice each potential consumer and convert them into paying consumers. The purpose of this article is to explore a production inventory model for non-instantaneous perishable goods with price, stock, and advertisement-dependent demand under inflationary conditions. In addition to other factors, such as the holding expense is presumed to be a linear function of time and the concept of customer returns has been included as a function of both demand and sales price. The main objective of this research is to determine the cycle time, price, and frequency of advertisement to maximise the present value of the manufacturer’s overall profit. Additionally, an algorithmic rule and propositions are formed to check the optimality of the total profit function and a numerical example is discussed to illustrate the results. Finally, the sensitivity analysis of major parameters is analysed and for decision-maker/manufacturers, numerous supportive managerial insights are also discussed.
    Keywords: customer returns; frequency of advertisement; inflation; non-instantaneous deterioration; price-stock-advertisement dependent demand; time-dependent holding cost.
    DOI: 10.1504/IJPM.2022.10049209
  • Effect of compliance with public procurement legal regime on SME policy implementation in Zambia   Order a copy of this article
    by Shem Sikombe 
    Abstract: The study investigates how compliance with the public procurement regulatory framework improves the implementation of SME policy. Prior studies have reported varied findings on how policy familiarity, professionalism, sanctions and monitoring influence compliance. The research tested the hypotheses using multiple regression analysis and mediation with bootstrapping procedure on a sample of 104 public buyers. The results showed that policy monitoring and sanctions significantly influence compliance. However, policy familiarity and professionalism were not statistically significant. The results also show that the relationship between policy monitoring and SME policy implementation is mediated by compliance. Similarly, the relationship between the enforcement of sanctions and SME policy implementation is significantly mediated by compliance. Whereas the existing literature in public procurement research focuses on achieving primary objectives such as a competitive price, this study concentrates on public buyers regulatory compliance and implementation of secondary goals such as SME-oriented policies.
    Keywords: public procurement; regulatory compliance; SME policy; Zambia.
    DOI: 10.1504/IJPM.2022.10049428
  • A study of Stakeholders’ Procurement Deficiencies, Delays and Cost Overruns in Tanzania’s Construction Projects   Order a copy of this article
    by Baraka Israel 
    Abstract: This article investigates the stakeholders’ procurement deficiencies that cause delays and cost overruns in Tanzania’s construction projects using a cross-sectional research design and purposive sampling technique. Data were sourced from 126 respondents using a questionnaire. The extent of stakeholders’ procurement deficiencies was ascertained by using the significance index. The study found bureaucratic bidding process, frequent order variations, corruption, non-compliance with contractual terms, use of inappropriate procurement methods and inexperienced contractors and consultants as the critical stakeholders’ procurement deficiencies facing construction projects. About 52.2% of the surveyed projects revealed cost and time overruns by 29.33% and 33.6% respectively due to one or more stakeholders’ procurement deficiencies. This article informs policymakers, scholars and oversight authorities on the stakeholders’ procurement deficiencies affecting projects’ cost and time which have not been systematically researched in Tanzania. The study’s findings are confined to Tanzania’s context and thus should not be regarded the same in other places and from non-procurement perspectives.
    Keywords: procurement stakeholders; deficiencies; time and cost overruns; construction projects; Tanzania.
    DOI: 10.1504/IJPM.2022.10049490
  • Uganda’s Antiretroviral Distribution: Sourcing Flexibility Mediates Information Technology Integration and Supply Chain Agility   Order a copy of this article
    by Sarah Watera, Noah Mwelu, Samali Mlay, Joseph Ntayi, Moses Muhwezi 
    Abstract: This study looks at how sourcing flexibility mediates the relationship between information technology (IT) integration, and supply chain agility in the distribution of antiretroviral (ARV) by Joint Medical Stores in central Uganda. A cross sectional and quantitative research design was used whereby primary data was collected from 80 health units using self-structured questionnaires. Data was analysed using SPSS Version 20 and mediation determined in Medgraph using Sobel test based on Baron and Kenny (1986) guidelines. The findings indicated a positive and significant relationship between the constructs of IT integration, sourcing flexibility and supply chain agility. Sobel test indicate that sourcing flexibility mediates the relationship between IT integration and supply chain agility (Sobel z-value = 3.798, p = 0.000). Hence, to improve the supply chain’s agility, measurement indicators of sourcing flexibility (supplier lead-time, expedition and number of components) should be given attention, as they are key interactive factors in ARVs’ distribution.
    Keywords: antiretroviral drugs; sourcing flexibility; mediator; information integration; supply chain agility; Uganda.
    DOI: 10.1504/IJPM.2022.10049594
  • Development of sustainable and circular criteria in supplier selection   Order a copy of this article
    by Maha Morssi, Andy T.C. Wong, Sahar El-Barky 
    Abstract: Recently, sustainability and circular economy are becoming leading concepts in the context of contemporary industrialisation due to the global warming, economic implication, and social consciousness. Sustainable circular supplier selection addresses the sustainability practices in the context of circular economy. This study proposed a sustainable circular supplier selection model using fuzzy decision-making trial and evaluation laboratory technique to determine the interrelationships between the criteria. The evaluation criteria are classified into four categories of economic, environment, social, and circular and evaluated by experts from industry using pairwise comparison. the results indicate that the criteria 'environmental management system' is the most important. Moreover, 'financial stability' and 'green technology' are the most influential criteria over the other criteria, on the other hand, 'cost' is mostly influenced by other factors. This study recommends further integration with other MCDM techniques to select and rank the best alternatives (suppliers) based on our proposed criteria.
    Keywords: sustainability; circular economy; supplier selection.
    DOI: 10.1504/IJPM.2022.10049666
  • E-Payment adoption in Jordan: UTAUT model moderated by anxiety   Order a copy of this article
    by S. Ahmad 
    Abstract: This paper attempts to identify the factors that shape customer adoption of e-payment in Jordan. The study is guided by the unified theory of acceptance and use of technology (UTAUT), which proposes four factors: performance expectancy (PE), effort expectancy (EE), social influence (SI), and facilitating conditions (FC). The study also suggests anxiety as an adverse moderator. A quantitative-deductive causal approach based on cross-sectional data was adopted. Using a self-administered questionnaire, data was collected from (n = 411) participants in Jordan. SEM-AMOS was used to conduct statistical analysis. Findings reported that factors of UTAUT, along with anxiety, explained (R2 = 50%) of the variance in behavioural intention (BI). PE was the strongest determinant (49%), whereas EE was not seen to achieve a significant effect. The moderator, anxiety, was partially supported. Following the gathered results, implications were provided.
    Keywords: e-payment; UTAUT; adoption; determinants; anxiety; Jordan.
    DOI: 10.1504/IJPM.2022.10049924
  • Modeling the effect of Multiobjective Optimization of Business, Information Technology, and Marketing Techniques on Organizational Performance   Order a copy of this article
    by Atena Atashsokhan  
    Abstract: The advent of the third millennium has witnessed a more intense competition among economic hubs, especially in the business sector. Enterprises as microeconomic activists try to gain a bigger share of the global trade privileges; however, scientific and technological advances have led them to create new opportunities by providing necessary conditions. Business, information technology and marketing strategies are three major newly emerged opportunities for facilitating business and increasing global competitiveness. This study aimed at investigating the effects of business, IT and marketing strategies on organisational performance. A descriptive survey was conducted on a sample of marketing managers of e-businesses. The statistical population consisted of 175 e-business marketing managers, 120 of whom were selected through simple random sampling. The data collected were statistically analysed by using the partial least squares structural equation modelling. The results indicated that business, IT and marketing strategies positively and significantly affect organisational, customer and financial performance.
    Keywords: business strategy; IT strategy; marketing strategy; organisational performance.
    DOI: 10.1504/IJPM.2022.10050069
  • Leadership style and its influence on employee performance and retention in employee engagement mediation: Evidence from Jordan's petroleum retailing sector   Order a copy of this article
    by Almontaser Mohammad, Masha Menhat, Izyan Zaideen, Saiful Saadon 
    Abstract: In this paper, a conceptual framework is proposed to understand the motivation and support extended by leaders to individual employees. It would improve the performance and retention of employees by the mediating effect of employee engagement, which is a critical and yet under explored antecedent of their effectiveness. This research adopted a constructed model based on research conducted through surveys. Data was collected from 425 supervisors in the petroleum retailing sector in Jordan. To run the measurement model and structural model, Smart-PLS was used. The findings confirm the hypotheses using PLS-SEM and demonstrate that transformational leadership (TSFL) and laissez-faire (LF) are significantly and positively related to employee retention (ER) and performance (EP), which are mediated by employee engagement (EE). The positive leadership of supervisors indicates that they feel engaged with the organisation’s overall vision, which improves their followers’ levels of performance. Leaders in petroleum retailing need to recognise that improving EP can be done by focusing on employee conditions to foster a sense of closeness and engagement among employees. Research can also be undertaken by examining issues related to leadership styles, EE, EP, and retention in other sectors as a comparison.
    Keywords: leadership; employee engagement; employee performance; employee retention; social exchange theory; petroleum retailing sector; Jordan.
    DOI: 10.1504/IJPM.2022.10050345
  • The effect of e-leadership on employee performance: the mediating role of elasticity workplace   Order a copy of this article
    by Riedel Paulus Jacobis, Raden Andi Sularso, Imam Suroso, Elok Sri Utami 
    Abstract: This research aims to examine the effect of e-leadership on employee performance through the elasticity workplace as a mediating variable. Data were collected by distributing questionnaires to 97 employees who work as village professional assistants in Bolaang Mongondow Raya Regency. In this explanatory research, the collected data is processed using partial least squares structural equation modelling (PLS-SEM) analysis techniques with SmartPLS 3.2.9 software. The results showed that e-leadership has a significant effect on the elasticity workplace. This implies that if the leader can utilise technology and information properly, the elasticity workplace system will run optimally. Furthermore, e-leadership has a significant positive effect on employee performance, which shows that it will be maximised if the leader carries the leadership function adequately irrespective of their destination. This research implies that the elasticity workplace work system significantly affects employee performance due to the ability to work from anywhere and anytime.
    Keywords: e-leadership; elasticity workplace; teleworking; non-physical work environment on performance; employee performance.
    DOI: 10.1504/IJPM.2022.10050811
  • Competitive strategy, organizational capabilities, industry structure, and marketing performance   Order a copy of this article
    by Majid Mohammad Shafiee  
    Abstract: This study aims to analyse the relationships between industry structure as an uncontrollable external factor and organisational capabilities as a controllable internal factor with competitive strategy, and its impact on the buyers’ attitudes. The qualitative stage of the research involves interviewing managers and active advisors involved in the television industry, while in the quantitative stage, marketing experts and TV sellers in selected stores were interviewed. The required data was collected by questionnaires and was administered from among a statistical sample of 473 individuals. The data was then analysed via partial least squares structural equation modelling approach. The findings show a significant positive relationship between the aforementioned variables. In particular, by harmonising a strategy, which complies with the industry structure and organisational capabilities, a unique strategy can lead the organisation to competitive advantage that reflects specific circumstances in the organisation and can exert the most effective impact on a buyer’s evaluations.
    Keywords: marketing performance; competitive advantage; industry structure; competitive strategy; organisational capabilities; television industry; marketing mix.
    DOI: 10.1504/IJPM.2022.10051043
  • Full and Open Competition in Public Procurement: A Noble Lie   Order a copy of this article
    by Christopher Atkinson, Clifford McCue, Eric Prier 
    Abstract: The notion that the US federal government provides equal opportunity for all businesses to potentially receive contracts may be, as discussed in Plato’s Republic, a noble lie. In this context, the noble lie represents government’s attempt to advance an agenda that is ostensibly in the public interest yet is empirically untrue. Using the
    Keywords: full and open competition; number of bids/proposals received; noble lie; federal contracting; trust; public procurement.
    DOI: 10.1504/IJPM.2022.10051300
  • The Prevalence of Stress and Anxiety level among Working Employees in Different Service Sectors during Pandemic   Order a copy of this article
    by Pratima Verma, Vimal Kumar, Sumanjeet Singh, ANKESH MITTAL, Tanmoy De, Mohit Rishi 
    Abstract: The present study addresses the stress and anxiety of COVID-19 among employees of service sector organisations in India. A survey of 539 employees from six different service sector organisations such as banking organisations, insurance organisations, educational organisations, healthcare organisations, hospitality and tourism organisation, and telecommunication organisations located in India was carried out during the COVID-19 outbreak. Analysis of variance (ANOVA) and correlation analysis methods have been applied to distinguish and measure the stress and anxiety in these six organisations. The findings of this study show that organisations in the education sector have high levels of psychological stress, financial stress, and anxiety during pandemics, whereas those in the banking industry had lower levels. According to the findings, the employees should make a plan to get rid of their stress and anxiety in order to be safe. It also intends to expand on the study’s novel contributions to streamline the operations.
    Keywords: COVID-19; financial stress; psychological stress; anxiety; service sectors; India.
    DOI: 10.1504/IJPM.2022.10051450
  • A systematic review and scientometric analysis of the driving factors of eco-innovation: trends and future research   Order a copy of this article
    by Khalid Mady, Reda Shaker Abdelkareem, Muhammad Abi Sofian Abdul Halim, KHATIJAH OMAR, Tamer Elsheikh 
    Abstract: The present study has systematically reviewed selected existing literature addressing the drivers of eco-innovation to gain an in-depth understanding of the driving factors of eco-innovation. Using the Scopus and Web of Science platforms, 65 articles were selected and examined. A scientometric analysis was conducted to redefine and visualise the existing trends and future research on eco-innovation drivers using the VOSviewer software application. The analysis showed that eco-innovation driving factors were classified into six main drivers. This study has provided the existing body of knowledge with further research which could be conducted on drivers of eco-innovation, such as strategic environmental orientation and normative pressure. The findings of this paper will be valuable for policymakers, practitioners and firms’ managers as the present research has developed an in-depth understanding of the driving factors of eco-innovation that can develop their eco-innovation strategies.
    Keywords: eco-innovation; eco-innovation drivers; systematic review; scientometric analysis.
    DOI: 10.1504/IJPM.2022.10051481
    by Robert Eadie, Ruairi Bradley, Martina Murphy, Ventsislav Stoyanov 
    Abstract: Corporate social responsibility (CSR) is embedded in the United Nations Sustainable Development Goals. This indicates the importance of the social responsibility aspects of highway construction contracts contributing to the decarbonisation agenda. Social clauses and CSR in the highway sector has little published literature. A structured survey collected data from all consultants and contractors awarded highway construction design and construction contracts in Northern Ireland with only one non-response. Quantitative and qualitative data on existing social clauses from a consultant and contractor perspective was compared. Findings indicate government social clauses did not have a strong effect on decarbonisation thus, it requires more work. The impact of adding additional clauses from the EU green deal should be implemented alongside existing clause elements in both Bulgaria and the UK. Differences in priorities from a consultant and contractor perspective were proven suggesting bespoke CSR clauses are required. Case study indicates many positive requiring retention.
    Keywords: highways; procurement; corporate social responsibility; CSR; sustainable development goals.
    DOI: 10.1504/IJPM.2022.10051926
  • Reimagining India’s Cold Chain Sector and its Contribution to Atmanirbhar Bharat and Global Supply Chain Trends   Order a copy of this article
    by Mohammad Rais, Prerna Gautam, Pragya Yadav, Mutum Ibomcha Singh 
    Abstract: India is an agrarian economy contributing approximately 17.76% share in the country’s GDP according to Statistics Times. It produces a significant amount of meat and poultry and is among the top producers of milk and fruits and vegetables. And with this responsibility arises a dire need to prevent these perishable eatables from spoiling and ultimately being wasted. To compensate for this need there is must be a world-class cold chain system. Cold storage units are temperature-controlled supply chain networks that are used to preserve fresh produce for an extended period. The Indian Government has proposed many reforms for the agriculture sector under the Atmanirbhar Bharat Abhiyan (2020). The purpose of this paper is to point out the importance and requirement of more robust and efficient cold storage chains in India.
    Keywords: cold storage; Atmanirbhar Bharat; global supply chain; Indian economy; technological status.
    DOI: 10.1504/IJPM.2022.10051936
  • Enhancing Sustainability Performance through Absorptive Capacity: The Moderating Role of Environmental Uncertainty   Order a copy of this article
    by Ahmed Ali, Mahmoud Barakat 
    Abstract: It is essential for all organisations to strategically plan for superior sustainability performance in order to develop a competitive edge and satisfy all stakeholders. Drawing on stakeholder theory and knowledge-based view, this research aims to provide organisations with a tool to enhance their sustainability performance using absorptive capacity (potential and realised) under environmental uncertainty. Data were collected using a questionnaire from organisations operating in Egypt, and the 1,198 valid responses were analysed using CB-SEM. Results indicated that both potential and realised absorptive capacity can significantly enhance organisational sustainable performance. In addition, environmental uncertainty can only moderate the relationship between potential absorptive capacity and sustainability performance. This proves that in order to satisfy stakeholders through enhancing sustainability, organisations need to acquire knowledge and develop their capabilities to efficiently and effectively use this knowledge through absorptive capacity.
    Keywords: sustainability performance; absorptive capacity; environmental uncertainty; structural equation modelling.
    DOI: 10.1504/IJPM.2022.10051982
  • An Analysis of Sustainable Procurement Guidelines in Japanese Manufacturing Companies: Clarifying the Current State and Future Directions   Order a copy of this article
    by Akira Endo, Eiki Yamakawa 
    Abstract: Manufacturing companies must implement sustainable procurement to avoid sustainability-related supply chain risks. This study aimed to clarify the current state of and tendencies and issues in the sustainable procurement guidelines (SPG) in the Japanese manufacturing sector. It investigated 160 major Japanese firms and collected text data on 130 firms' SPGs, on which text-mining and correspondence analyses were conducted. The survey identified that the examined companies have either been developing or revising their SPGs proactively. Some pre-requisite concepts for setting of SPGs need to be promoted for greater association with the main 'setting' topics. Additionally, this study indicated that corporate social responsibility rules influence the topics for establishing SPGs. The findings can serve as reference for firms to develop or revise their SPGs. Future researchers should focus on a reference model of SPGs based on procurement risk communication with stakeholder collaboration, including companies, customers, investors, governments, non-governmental organisations, and not-for-profit organisations.
    Keywords: sustainable procurement; sustainable procurement guideline; SPG; sustainable purchasing; corporate social responsibility; CSR; procurement risk management; PRM; procurement risks.
    DOI: 10.1504/IJPM.2022.10051987
  • Optimal pricing and advertisement with allowable shortages for non-instantaneous deteriorating items under inflation and trade credit   Order a copy of this article
    by Chirag Trivedi, Mrudul Jani, .Dilip C. Joshi, Manish Betheja 
    Abstract: In recent business transactions, the policy of trade credit is usually used to improve product demand and maximise revenue by earning interest. Furthermore, advertisement is a tool that assists the retailer in attracting more consumers. Moreover, demand for products varies depending on the price and while managing inventory most important thing is product deterioration. The current time value of price is calculated at constant inflation rate. The following points are considered: 1) trade credit policy between supplier and retailer; 2) the product demand depends on sales price and advertisement; 3) the product deterioration is non-instantaneous; 4) the current time value of money is calculated at constant inflation rate, and shortages are allowed. The main aim to find the optimality of total profit function with respect to cycle time inventory vanish time, sales price, and frequency of advertisement. A sensitivity analysis of significant parameters and some important managerial implications are analysed.
    Keywords: advertisement; inflation; non-instantaneous deterioration; pricing; shortages; trade credit policy.
    DOI: 10.1504/IJPM.2022.10051989
  • Exploring interrelationships among barriers and enablers of green procurement for a sustainable supply chain   Order a copy of this article
    by Imran Zaman, Md. Ramjan Ali, Sharfuddin Ahmed Khan 
    Abstract: This study aims to visualise the prioritisation and interactions of ecologically responsible goods in the pharmaceutical industry between obstacles and enablers to green procurement. For this purpose, ten barriers and nine enablers are identified through an exhaustive analysis of the literature, and their interconnections are visualised by implementing the grey-DEMATEL technique. This study offers a unique perspective of having barriers and enablers interplay for green procurement together simultaneously. The findings also indicate that the pharmaceutical manufacturers should provide consumers with relevant, supportable information to disperse their products’ sustainability. Also, pharmaceutical industry should spend much in increasing consumer understanding of the effects of collective buying actions. Other identified enablers would help mitigate the obstacles in this industry. This study offers crucial insights into the interdependencies between barriers and enablers that also lead to the decision-making initiatives of management that promote the adoption of environmentally sustainable goods by customers.
    Keywords: green procurement; GP; sustainable supply chain management; SSCM; grey-DEMATEL; enablers and barriers; green environment; sustainable procurement.
    DOI: 10.1504/IJPM.2022.10052001
  • The cost of the public entities' bad reputation in public procurement   Order a copy of this article
    by Matheus Pereira Libório, Patrícia Bernardes, Petr Ekel, Ivo Jr. Teixeira Gico, Sérgio Fernando Loureiro Rezende 
    Abstract: This paper analyses the effect of the public entity’s bad reputation on the prices of products purchased in electronic auctions. To do so, we used the Analytical Hierarchical Process, considering critical criteria for the decision of suppliers to participate in electronic auctions. Data from 25,001 electronic auctions reveal that public entities with bad reputations purchase products 18% more expensive than public entities with a better reputation. Moreover, the bad reputation of two of the worst reputable public entities raised government spending on public procurement by BRL 14 million over two years. These results suggest that the public entity rating strategy reduces contractual uncertainties and ex-post transaction costs.
    Keywords: public procurement; public entity’s reputation; electronic auctions; analytical hierarchical process; transaction costs; law and economics.
    DOI: 10.1504/IJPM.2022.10052340
  • Optimal supply chain strategies for large, complex product developments   Order a copy of this article
    by Gunnar Droescher 
    Abstract: Determining the optimal supply chain strategy is a central decision for large, complex development projects in the rolling-stock and jet-engine industries. The research objective is to understand the optimal supply chain strategy for these products. More specifically, it is to determine: 1) if an agile or a cost-efficient supply chain is a better basis for product development; 2) if different strategies should be followed for serial production considering product, process and market characteristics. Based on a literature review and 17 semi-structured interviews with executives from the rolling-stock and aerospace industry, several insights are offered: 1) design stability is a key determinant of supply chain strategy; 2) market characteristics (e.g., time-to market) affect supply chain strategies; 3) the product introduction capability of suppliers is distinctively important; 4) using different supply chains for product development and serial production can be beneficial; 5) the sourcing decision should be agnostic of the life-cycle.
    Keywords: supply chain strategy; agility; cost-efficiency; product introduction; aerospace; rolling stock.
    DOI: 10.1504/IJPM.2022.10052438
  • Green Inventory Model with Two-Warehouse System Considering Variable Holding Cost, Time Dependent Demand, Carbon Emissions and Energy Consumption   Order a copy of this article
    by Anupama Sharma, Vipin Kumar, S.R. Singh, C.B. Gupta 
    Abstract: One of the key components is the consideration of energy consumption while storing inventory, which can increase holding cost and releases carbon emissions. In business practices, suppliers give their retailers discounts on large orders, typically during the festival seasons, to attract customers, boost sales and earn more profit. For this, they may require warehouses, which need to keep at favourable environmental conditions according to products. Demand can be constant, linear, fluctuating, or extremely high with regard to time. So time-dependent quadratic demand has been incorporated in this study. Here, energy and carbon emission costs have been introduced so that the average inventory cost per unit time is minimum and optimum values for the decision variables are determined. Energy and carbon emission costs are evolved in holding costs during product stocking. The proposed model is validated with a numerical example, and managerial insight has been provided based on the sensitivity analysis.
    Keywords: energy consumption and carbon emission cost; deterioration; quadratic demand; shortages and variable holding cost.
    DOI: 10.1504/IJPM.2022.10052902
  • Effect of Stock-Dependent Demand in EOQ Models for Deteriorative items under Linear, Quadratic and Exponential Holding cost   Order a copy of this article
    by Sivashankari C.K., Vijayakumar P. 
    Abstract: Inventory models for deteriorative items with stock-dependent demand for deteriorative items in linear, quadratic and exponential time dependent holding cost are considered in this study. To wit, no study exists that uses effect of stock-dependent demand for deteriorative items in linear, quadratic and exponential time dependent holding cost. Four models are developed: The first model uses stock-dependent demand with constant holding cost, the second model uses stock-dependent demand in linear holding cost, the third model uses stock-dependent demand in quadratic holding cost and in fourth model uses stock-dependent demand with exponential holding cost. Mathematical models are delineated for each model and relevant examples are provided to elucidate the proposed procedure. The objective herein is to obtain optimum order quantities and order intervals with respect to overall cost. Numerical examples are provided for all four cases to validate the proposed model. Sensitivity analysis is provided for each of the four models. The necessary data was generated using visual basic 6.0.
    Keywords: inventory; stock dependent demand; constant holding cost; linear holding cost; quadratic holding cost; exponential holding cost; optimality.
    DOI: 10.1504/IJPM.2021.10053391
  • Governance in Public Procurement: Accounting Analysis of Public Acquisitions in Brazil During the COVID-19 Pandemic.   Order a copy of this article
    by Alessandro Bandeira De Oliveira, Paulo Vitor Jordão Da Gama Silva 
    Abstract: This article uses the Newcomb-Benford law to analyse the values of bids originating from electronic auctions in all states of Brazil and the Federal District in the light of public governance, analysing the compliance of electronic auctions. We surveyed 3,253 electronic trading sessions containing 41,510 items between 2020
    Keywords: Benford’s law; public governance; public procurement; public acquisitions in Brazil; Brazil.
    DOI: 10.1504/IJPM.2022.10053581
  • Implementing Total Costs Ownership (TCO) in Procurement Stage: Learning from Indonesia Cement Projects   Order a copy of this article
    by Effnu Subiyanto, Somayeh Asadi 
    Abstract: This paper introduces a new methodology processing procurement stages total cost of ownership (TCO) as the latest finding in the project construction. A 30-expert participated in developing the method, shared and exchanged their skill and knowledge in the FGD and expert judgement (EJ), then sharpened the findings by forming an analytical hierarchy process (AHP) before concluding. The results show the TCO is the most acknowledged the simplest, and easiest way to evaluate procurement processes. The TCO for cement projects consists of nine variables which: 1) equipment under vendor’s scope of supply; 2) local fabrication; 3) local purchase; 4) local adjustments; 5) engineering and design services; 6) training and supervision services; 7) civil/building/structure construction; 8) operational costs; 9) maintenance costs. These findings should be helpful to design the procurement process in complex projects, especially heavy projects. This paper is a contribution from professional views to enrich literature future.
    Keywords: total cost of ownership; TCO; corporate strategy; procurement; project management; cement project; purchasing.
    DOI: 10.1504/IJPM.2021.10053623
  • Green Supply Chain Technological Dimensions and Firm Performance: The Role of Green Supply Chain Strategy and Processes   Order a copy of this article
    by Tahir Ali, Muhammad Asad Hamid 
    Abstract: Green supply chain management (GSCM) has gained attention due to rising environmentalism. This study aimed to analyse the role of all GSCM components as a whole. Systems theory is used to understand the effect of green supply chain technological dimensions, GSCM strategy, and GSCM process on the firm performance. The study further examined the moderating role of product complexity, purchasing structure, and cost reduction. The analysis was performed through partial least square structural equation modelling (PLS-SEM) based on the data collected from 273 employees working in the Pakistani automobile manufacturing industry. The empirical findings indicated the positive impact of GSCM technical aspects on GSCM strategy, which further positively influenced the green supply chain process. Furthermore, the GSCM process had a positive relationship with firm performance. The analysis did not validate the moderating role of product complexity on the strategy and process. The study provides a detailed description of GSCM using the lens of system theory. Moreover, the results provide decision-makers with an enhanced understanding of the GSCM components.
    Keywords: green supply chain management; GSCM; firm performance; technological dimensions; environmental performance; social performance; financial performance.
    DOI: 10.1504/IJPM.2022.10053660
    Abstract: The purpose of this article is to empirically examine the impact of the status and maturity of the purchasing function on the performance of companies in terms of cost savings. Accordingly, we have conducted a survey on 74 Moroccan companies. The data were analysed using the structural equation method (PLS approach). The results show that a high purchasing status does not have a significant direct effect on the performance in terms of cost savings. Nevertheless, after including strategic purchasing practices and/or the degree of maturity as mediating variables, the effect of status on company performance becomes significant. These findings have important practical and theoretical implications as they provide strong arguments for the importance of the status of the purchasing function in creating value. Business leaders should recognise the importance of status and support the efforts of buyers in developing more strategic purchasing practices.
    Keywords: purchasing status; purchasing maturity; strategic purchasing practices; cost saving performance.
    DOI: 10.1504/IJPM.2023.10054345
  • User Experience of Using E-Government Applications and Its Impact on User Satisfaction: Case of Jordan   Order a copy of this article
    by S. Ahmad, Maen Dohon 
    Abstract: E-governments have provided governments worldwide with the ideal solution for delivering efficient services through technological means, which is of particular significance in the COVID-19 era with its social distancing measures. This study proposed a seven-predictors model to examine its influence on user satisfaction in the context of the sudden transformation to e-government due to COVID-19. The design of the present study was descriptive and exploratory. A quantitative approach was seen as fitting with our exploratory stud. Further, we used Smart PLS v3.3 to provide better understanding of the relationships between the proposed determinants and user satisfaction. It was found that the proposed determinants explained (R2 = 72.2%) of user satisfaction variance. Furthermore, it was found that five out of seven determinants had a significant influence. Up-to-date data was the strongest determinant, while transparency, efficiency and effectiveness were found to be non-significant determinants.
    Keywords: E-government; user experience; satisfaction; COVID-19; Jordan.
    DOI: 10.1504/IJPM.2023.10054667
  • The Sequential Logic of Quality Constructs in Sales Business Relationships: Model and Findings   Order a copy of this article
    by Carlos Ferro-Soto, Carmen Padín Fabeiro, Göran Svensson, Nils M. Høgevold 
    Abstract: This research tests the mediator role of satisfaction between commitment and trust, and coordination, cooperation and continuity with B2B buyers, following a seller approach. It considers coordination as present behaviour, and cooperation as the willingness to work jointly, and both are understood as distinct constructs. Based on a survey among Spanish sales managers, it applies confirmatory factor analysis and structural equation modelling using SPSS/AMOS 26.0. Results confirm the mediator role of satisfaction between the constructs in the estimated model. The findings enhance the literature on satisfaction in B2B relationships, thanks to the combination of constructs in the model, which has barely been used in this field, as well as their nomological positions, and the seller perspective. Managerial implications enhance practitioners’ comprehension of how commitment and trust induce customer satisfaction which can, in turn, foster coordination and a willingness to cooperate and can improve the expectation of continuity the partnership.
    Keywords: satisfaction; trust; commitment; coordination; continuity; cooperation; B2B sales relationships.
    DOI: 10.1504/IJPM.2023.10054926
  • Factors affecting the time overrun of road construction projects in Ethiopia   Order a copy of this article
    by Hamed M.S. Ahmed, Mitku Assefa, Eldana Cheru Kassa 
    Abstract: This research was carried out to analyse the factors that affect the time overrun of cobblestone paving and canal projects in the South Wollo Zone and Dessie City Administration. The study employed both descriptive and explanatory research design methods. A sample size of 392 respondents was selected from the total target population of 620 clients and contractors. To select the sample, the researchers used a stratified sampling technique. To achieve the objectives of the study, structural equation model was used to determine the relationship between the independent and dependent variables using Statistical Package for Social Sciences (SPSS V.25 and AMOS26). The study found out that labour, material, equipment, finance, design, and project management related factors had a positive and significant effect on the time overrun of the project. Whereas, external environment-related factors found were insignificant for time overrun. The study recommended committing enough time for feasibility study and use resources efficiently and effectively.
    Keywords: time variance; structural equation modelling; SEM; road project; South Wollo Zone; Ethiopia.
    DOI: 10.1504/IJPM.2021.10043559
  • Analysis of multiple structural relationships among employer brand, proposition value and intention to leave the organisation   Order a copy of this article
    by Ali Ostad Hashemi, Fateme Nouri, Negin Gholami, Mansoureh Hourali 
    Abstract: This study aims to analyse the multiple structural relationships among employer brand, value proposition and intention to leave by considering the mediating role of psychological contracts of employees of all branches of Iranian bank. In terms of nature and method, this research is descriptive-correlational and is a survey research in terms of data collection. The statistical population of this study consisted of 200 employees of Iranian bank. In this study, a standard questionnaire was used to compile and collect the required data. In order to assess the reliability; Cronbach's alpha was used. The value of Cronbach's alpha obtained in the questionnaire for all variables is higher than 70%, and the obtained values indicated that the measurement tool has good validity and reliability; received data were analysed with Smart PLS and SPSS software. The result of data analysis showed that the psychological contract between the employer brand and the employee value proposition with the intention of leaving the service in the all branches of Iranian bank, are positively mediated. In particular, the results show that the employer brand and the value proposition of employees have a weak but significant effect on the realisation of the intention to leave.
    Keywords: employer brand; employee value proposition; intention to leave; psychological contract; Iranian bank.
    DOI: 10.1504/IJPM.2022.10046480
  • Leadership practice on economic sustainability   Order a copy of this article
    by Mohsen A. Moqbel, Amgad S.D. Khaled, Asif Akhtar 
    Abstract: The paper aims to investigate the impact of leadership (transformational leadership, transactional leadership, and servant leadership), leadership styles, leadership roles, leadership traits, and leadership sources on economic sustainability. This research has been carried out among the Islamic banks in Yemen. The study is based on primary data. The data has been collected by questionnaire from four major cities (Sanaa, Aden, Taiz and Alhodidah). The total numbers of the respondents were 250. The data has been analysed by smart PLS3. This paper is the first to analyse leadership practice on economic sustainability in Yemeni context. The study found that servant leadership, leadership traits, leadership roles and leadership styles do not have a significant impact on economic sustainability. Transactional leadership, transformational leadership, and leadership sources have high significant impact on economic sustainability.
    Keywords: transformational; transactional; servant; styles; roles; economic sustainability.
    DOI: 10.1504/IJPM.2023.10054553
  • Application of e-auction based on Procurement 4.0 strategies in a global company of the power systems sector in Brazil   Order a copy of this article
    by Ugo Ibusuki, Ailton Conde Jussani, Renan Degaspari De Araújo, Rafaela De Paula Koto 
    Abstract: Industry 4.0 has been a hot topic in several markets and its innovations are proving to be paramount for the strategic position of the companies in the market. The objective of this study is to explore the changes carried out by the 4th industrial revolution in the supply chain area, mainly in the procurement department. To develop this issue, a qualitative and exploratory research based on bibliographical references was investigated and a case-study analysis was applied based on e-auction tools in order to collect data and identify improvements for the next level of Procurement 4.0 strategies. It shows the possibility to provide horizontal system integration to the supply chain, collecting price data to perform big data and analytics to achieve better performance on bidding results and autonomously perform challenging targets on real-time.
    Keywords: Industry 4.0; Supply Chain 4.0; Procurement 4.0; purchasing chessboard.
    DOI: 10.1504/IJPM.2022.10044946
  • A review of the influence of capital structure on the relationship between corporate governance and firm performance   Order a copy of this article
    by Marwan Mansour, Hafiza Aishah Hashim, Faozi A. Almaqtari, Waleed M. Al-ahdal 
    Abstract: This paper focuses on the relationship between corporate governance and firm performance in the case of Jordan as a developing country. Despite the evolution of the national economy, the government's efforts to attract foreign and domestic investment in order to merge at the global economy, and the stimulation of firms to perform better, the performance of firms in the non-financial sector is still weak. This can be attributed to a lack of clarity regarding the inter-relationships between corporate governance mechanisms and firm-specific characteristics such as capital structure. Therefore, this study presents a comprehensive review of the literature to highlight a theoretical approach that could contribute to clarifying the relationship between capital structure, corporate governance, and firm performance. In addition, it also proposes that a more accurate design be used for practical analysis that takes into account the moderation role of optimal capital structure and the potential presence of a complementary effect between optimal capital structure, corporate governance, and firm performance.
    Keywords: capital structure; corporate governance; performance; non-financial firms; Jordan.
    DOI: 10.1504/IJPM.2021.10047744
  • Designing an innovative model of education management using fuzzy technique   Order a copy of this article
    by Mohammad Alipour Fathkoohi, Mohammad Hassan Behzadi, Hamid Rasouli, Ahmad Shahvarani Semnani 
    Abstract: In this paper, we introduce the factors that can improve mathematical learning. The research methodology design, which was done in the period of one year from February 2019 to November 2020, is mixed or combined. In this research, with the help of 13 experts in teaching, learning, and math teaching, using the Delphi method, 17 factors affecting math learning in three Delphi repetitions were included. Content validity ratio (CVR) and content validity index (CVI) also confirm the validity. Then, using the comprehensive fuzzy interpretive structural modelling method, the factors are modelled at seven levels. The data of this method were collected using a researcher-made paired comparison questionnaire in which the incompatibility rate was 0.0024. At the highest level of this levelling, decision-making skills, the ability to understand a variety of knowledge and improve the speed of learning are observed.
    Keywords: learning; teaching; comprehensive fuzzy interpretive structural modelling; learning quality.
    DOI: 10.1504/IJPM.2021.10043880
  • Concurrent sourcing as a termination safeguard   Order a copy of this article
    by Niels Peter Mols, Paula Sarita Bigio Schnaider 
    Abstract: This paper discusses the conditions under which concurrent sourcing is an effective safeguard. Relying on the transaction cost and the resource-based theories, we develop a conceptual model to argue that concurrent sourcing shortens the period that a buyer needs in order to internalise production and thus, it shortens the period in which an external supplier is able to hold-up a buyer. Concurrent sourcing also allows for short run expansion of production and reduces costs of lost customers. However, when complementarities and diseconomies of scale make concurrent sourcing an efficient choice for a buyer, the same complementarities and diseconomies of scale also weaken the threat that the internal production unit may replace the external supplier.
    Keywords: concurrent sourcing; parallel production; safeguards.
    DOI: 10.1504/IJPM.2022.10047505