Forthcoming articles

International Journal of Business and Systems Research

International Journal of Business and Systems Research (IJBSR)

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International Journal of Business and Systems Research (39 papers in press)

Regular Issues

  • Decreasing operational costs of nonprofit community-based blood centers   Order a copy of this article
    by Sima M. Fortsch, Qunfeng Liao 
    Abstract: Blood is a necessary resource for hospitals; however, acquiring blood poses several challenges for blood centers and hospital blood banks. First, blood is a perishable and natural resource that cannot be manufactured at the time of need. Second, supply and demand of blood are uncertain due to seasonality, natural disasters, and availability of donors. Third, blood centers and hospital blood are challenged in acquiring blood economically, as the price of one package of blood has reached the price of an iPad. Prior research shows the popular Economic Order Quantity (EOQ) model is not applicable to blood orders due to the ample shortages that result from the model. In order to provide fresh inventory and to reduce operational costs, this study employs an econometric methodology known as AIAO (ARMA-in-ARMA-out, where ARMA stands for Autoregressive Integrated Moving Average) combined with lean managerial accounting practices to place orders. Results show that applying the above system of ordering could supply fresh blood inventory and decrease operational costs for blood centers.
    Keywords: perishable; wastage; shortage; gross income; inventory turnover; ordering; systems.
    DOI: 10.1504/IJBSR.2019.10014802
     
  • Career choice in teaching among engineering graduates: A study of the Altruistic, Extrinsic and Intrinsic factors   Order a copy of this article
    by Sweta Bhattacharya, V. Raju 
    Abstract: The Indian higher education system is the third largest in the world producing immensely talented manpower, winning accolades all across the world. But the system faces faculty crunch majorly in the engineering education sector failing to attract this huge talent pool towards teaching professions. The study analyses the effect of Altruistic, Extrinsic and Intrinsic factors pertaining to the choice of teaching career using survey research based statistical analysis and Analytical Hierarchy Process. The results of AHP reveal Intrinsic factor as the highest ranked factor affecting teaching career decisions which is supported by the consistency ratio value (0.033<=0.10). The effect of age, gender and program of study is also studied which reveal that age and program of study has significant effect on the intrinsic factor. The paper finally recommends policy amendments relating to the intrinsic factor so that more students could be attracted towards teaching profession.
    Keywords: Higher education systems; Decision making; MCDM; Career Choice; Teaching Career; Education Policies; AHP.

  • SCORE Framework: A Layered Approach for Enterprise Architecture   Order a copy of this article
    by Priyanka Chakraborty, Anirban Sarkar 
    Abstract: Continuous and rapid changing business environment is a driving force for agile enterprise system because several new services and solutions are emerging from the multiple exchanges over time. A suitable Enterprise Architecture Framework (EAF) must be established for established for effective delivery of enterprise level technologies by adopting service-oriented architecture (SOA). However, existing non-SOA based EAFs are lacking of adopting such agility. On the other hand, existing SOA-based EAFs though can resolve the issues of flexibility and scalability, but they are less efficient to handle context sensitivity and agility of Enterprise System. To address these challenges, this paper proposes a novel SOA-based EAF, called SCORE framework that is comprised of five loosely coupled layers. Besides formal description, the proposed SCORE framework is illustrated with detailed case study on Care Management System. Moreover, a detailed comparative analysis is performed to express the strength of the proposed framework over the existing approaches.
    Keywords: Enterprise Architecture Framework; Context Modelling; Service Oriented Architecture; Feature Graph; Interaction and Flow Graph; Collaboration Graph; Re-configurability; Systems; Technology.

  • SYSTEM DYNAMICS MODEL FOR SERVICE QUALITY IMPROVEMENT: A CASE STUDY OF SURAKARTA TOURISM, INDONESIA   Order a copy of this article
    by Santi Novani, Lidia Mayangsari, Nurtami Prihadi, Yudi Azis 
    Abstract: Value co-creation concept implies that customers can actively participate in every stage of the service development process. Service providers are encouraged to build a unique and memorable experience to remain competitive. The concept is applicable in tourism settings. This study adopts system dynamics approach to study the conditions of tourism in Surakarta city, Indonesia. This study incorporates SERVQUAL dimensions of tangibility, reliability, responsiveness assurance, and empathy to construct a co-created tourism policy in the city. There are five interventions proposed in the study: infrastructure, platform, human resource, events, and promotions. The study reveals that to increase the number of tourists, Surakarta city is urged to invest bigger in the transportation sector and perform interactive online platform to accommodate a co-creation among stakeholders in the tourism sector. This study proposes alternatives to help the decision maker to understand the complexity of tourism sector in Surakarta both in theory and practice.
    Keywords: Surakarta; Customer Value Co-Creation; System Dynamics; Service Quality.

  • Solving Logistics Problems through an Infinite Servers Queue Systems Approach   Order a copy of this article
    by José António Filipe, Manuel Alberto M. Ferreira 
    Abstract: It is exemplified in this article a proceeding based on the busy period concept of infinite servers queues to deal with equipments failures. Evidently, the occurrence of failures in the equipment is a situation that demands managerial procedures in order to repair the failures as quick as possible and also to minimize the losses in the equipment operation. The model presented here - by means of infinite servers queuing systems - allows to generate system performance measures. It also contributes to solve organizational structures problems, by minimizing the risks of the inoperative structures of organizations, which have considerable logistics pernicious consequences for companies and often for regions where they are implanted.
    Keywords: Queue; Busy period; Business logistics; Equipment; Failures; Management; Efficiency.

  • Identification and analysis of factors influencing food advertisements on buying behaviour of children in emerging consumption markets: the case study of Afghanistan   Order a copy of this article
    by Jimbo Henri Claver 
    Abstract: This study assessed the impact of food advertising on purchasing and consumption behaviour of children in emerging consumption markets. A case study of consumption market in Kabul, Afghanistan was conducted on various dimensions by measuring the impact of several factors. The study relied on primary data collected by administering 385 survey questionnaires to children aged between 5 and 15 years old. Data were analysed with STATA 2013 using regression analysis, correlation analysis and descriptive statistics methods. The data and statistical methods and models were tested for validity and reliability; these tests includes Cronbachs alpha, Jarque-Bera, Bruesch-Pagan/Cook-Wisberg, Winsorization, Skewness and Kurtosis, Akaike Information Criteria (AIC), and Variance Inflation Factor (VIF). The study found that television advertising had the most influence on purchasing and consumption behaviour of children directly or indirectly through their parents. The study also found that the nature and magnitude of advertising outcome on childrens purchasing and consumption behaviour varies based on factors such as age and gender of children. The study provided first-hand information for food industry owners, parents, advertisers, and governmental policy makers.
    Keywords: : Children’s buying behaviour; food advertisement; TV advertising; parents’ influence; quantitative analysis; reliability; multiple regression; business statistics; AIC criterion.

  • A Queuing-based Mathematical Model for the Congested Network Design Problem under Demand Uncertainty   Order a copy of this article
    by Amir Abbas Shojaie, Mohamad Amin Kaviani 
    Abstract: In this study, we propose a queuing-based mathematical model for analyzing the congestion phenomenon in a transportation network. For this purpose, we present a mathematical model for network design with the objective of the cost minimization and optimal demand satisfaction under demand uncertainty situation. The queuing theory usage helps to better model the congestion item caused by customers referrals to the facilities of the transportation network. Moreover, a numerical example is solved to demonstrate the validity of the proposed model. To the best of the authors knowledge, this is the first study which looks at the congested transportation network problem considering demand uncertainty from a queuing theory perspective.
    Keywords: Queuing theory; Congested networks; Transportation; Mathematical modeling; Demand uncertainty; Systems; Optimization.

  • Impact of After Sales - Service on Consumer Behavioral Intentions   Order a copy of this article
    by Wajeeha Aslam, Kashif Farhat 
    Abstract: Technology in the industry has improved the proceses, products and customer experience. Due to this, the importance of after sales service is increasing. The aim of this study is to identify the impact of after- sales service quality delivery on customers overall satisfaction in the retail sector . Also, the impact of overall satisfaction on word of mouth and repurchase intention. A sample of 330 responses were collected through questionnaire by purposive sampling technique from the customers who had purchased an electronic equipment (UPS or Air condition). EFA, CFA and SEM analyses were performed to measure the relationships among constructs with the help of SPSS and Amos. The result revealed that after-sales service quality delivery affects customer overall satisfaction which leads to repurchase intention and word-of-mouth. This study helps the retail and marketing managers as it allows them to differentiate their offerings in order to develop the long term relationship with their customers. This paper especially caters to the retail sector which is dynamic and where customers are highly involved.
    Keywords: After-sales services; Customer satisfaction; Repurchase Intention; Word of Mouth; Delivery; Technology.

  • Structural Investigation of service supply chain: A social network analysis approach   Order a copy of this article
    by Sumit Sakhuja, Vipul Jain 
    Abstract: In this study the structure of a service supply chain is analyzed using social network analysis approach. Service supply chains consist of peoples and organizations connected in form of a network. The network is formed by the combination of ties between different players in the chain/network. These players are dependent upon each other and there exists flow of material or flow of information between players. Despite the longevity of the social networks perspective, the product supply chains as well as the supply chain in services are less explored from the social network perspective. A case study on supply chain of property purchase has been discussed in this paper that is analyzed with the help of social network analysis approach.
    Keywords: service supply chain; social network analysis; systems; node level; network level.

  • The TODIM multi-criteria method applied to the ANBIMA ranking of Brazilian investment funds   Order a copy of this article
    by Frederico Silva Valentim Sallum, Luiz Flavio Autran Monteiro Gomes, Maria Augusta Soares Machado 
    Abstract: ANBIMA, the Brazilian Financial and Capital Markets Association, monthly presents the ranking of investment funds management by category. This ranking makes available information about the management of resources from players that invested in funds in Brazil. The institutions that are included in this ranking are ordered based on the total amount of the net equity under management in all categories of investment funds. The research presented in this article applies the TODIM multi-criteria method for building the ANBIMA ranking of June/2017 using the 10 best-positioned institutions. In order to accomplish this, each participating institution is considered as an alternative and each category of investment fund functions as a criterion. This allows for a comparison between the ANBIMA ranking against the ranking obtained by using the TODIM method. This comparison points to the possibility of making use of a new, enriched way to order the institutions based on pairwise analyses and taking into account expressions of gains and losses.
    Keywords: ANBIMA Ranking; Management of Investment Funds; Ranking of Investment Funds; TODIM Method.

  • Building loyalty in e-commerce: Does consumer income matter?   Order a copy of this article
    by Viviane Ferreira, Juracy Parente, Mateus Ponchio, Felipe Zambaldi 
    Abstract: In emerging markets, the rapid expansion of online retailing is mainly driven by new adopters from lower-income consumer segments. However, little is known about the behaviour of this group in online retail. This study evaluates the relationships between e-loyalty, e-satisfaction, e-trust and e-quality, paying particular attention to the moderating role of consumer income. Data were collected from a sample of 1,020 Brazilian consumers via a web survey and were analysed using structural equation modelling (SEM). Among the main results, this study finds that consumers from the higher-income group pay more attention to the quality of website information, while consumers from the lower-income group emphasize the importance of fulfilment. E-satisfaction is more important than e-trust in determining e-loyalty and these relationships are moderated by income. Online retailers should pay special attention to tailoring their promotional efforts to foster consumer loyalty according to different consumer income groups.
    Keywords: loyalty; e-commerce; emerging markets; quality; satisfaction; trust; structural equation modelling; income moderation effect; Brazilian consumers; technology.

  • Critical success factors in the stages of technological transfer from university to industry: Study in the Andean countries   Order a copy of this article
    by Ximena Lopez-Mendoza, David Mauricio 
    Abstract: Technology transfer is a tool for the development of societies and its success is affected by several factors; hence, it is important to identify them and note how they influence the different stages of the technology transfer process. The present work identifies new factors (adaptation to change, government policies, selection criterion of the project portfolio, work environment, product satisfaction, entropy, stress, and ethics), the same ones that have been supported in the theories of human and organisational behavior, these affect all stages of the technology transfer process from university to industry. The study was made based on confirmatory factor analysis and the model of structural equations and was carried out on 85 universities in four countries of the Andean region. The obtained results confirm that, at 95% confidence, the proposed factors influence all stages of the technology transfer process.
    Keywords: Factors of technology transfer; technology transfer; stages of technology transfer; model of structural equations.
    DOI: 10.1504/IJBSR.2020.10019519
     
  • Research on Drug-Induced Liver Injury in Association with Co-Infections and Anti-Tuberculosis Drugs   Order a copy of this article
    by Wu Li-Ya, Weng Sung-Shun, Wong Wing-Wai 
    Abstract: This study uses data mining techniques to find out the risk factors for the tuberculosis (TB) patients with drug-induced liver injury (DILI). The Taiwan National Health Insurance Database is used for collection of domestic TB cases during 2004-2011 to study these TB patients and their drug prescribing patterns in order to build a model to predict the risk of drug-drug interaction between Hepatitis (HBV/HCV), Acquired Immune Deficiency Syndrome (AIDS) and TB. The results out of the total 188,032 TB patients have shown that 77,574 have taken anti-TB drugs. Afterwards, DILI occurred in 0.7% of the cases. Besides, for those DILI patients associated with TB and HBV or HCV, this study reveals that DILI is associated with the use of ethambutol and rifampin. It is suggested that TB patients associated with HCV should pay attention to their uses of rifampicin, and TB patients (especially males) associated with HBV should pay attention to the ethambutols impact on DILI. Moreover, our results also showed that having both AIDS and TB shows no significant effect on DILI.
    Keywords: drug interactions; tuberculosis; data mining; drug-induced liver injury.

  • Extension and Adaptation of an Aspect Oriented Programming Language for Real-Time Systems   Order a copy of this article
    by Wafa Gabsi 
    Abstract: Aspect-Oriented Programming (AOP) supports the separation of concerns cutting across the implementation of a software application to avoid scattering and tangling. We focus on the integration of this paradigm in the development of real-time systems. AOP is based on the weaving process to automatically integrate separately created segments of code, into the application. In the context of real-time systems, this can compromise determinism by including constructs that may violate real-time constraints beyond the control of the developer. In this paper, we both study and test the AspectAda language, an existing aspect extension for Ada, in order to adapt its implementation to respect real-time constraints. We study this language's grammar, runtime and especially weaving operations. Then, we extract its limits and provide solutions to adapt it to support real-time constraints. Finally, we propose a new architecture of the compiler/weaver to overcome the problems of the existing one and we detail its different parts.
    Keywords: AOP; AspectAda; Ada; Real-Time Constraints; Compiler; Architecture.

  • The effects of performance systems and management concepts on organizational performance in the public sector in Denmark   Order a copy of this article
    by Steen Nielsen, Christian Nielsen 
    Abstract: This paper explores how different types and groups of performance systems and management concepts explain the cross-sectional variations of organizational performance within the public sector, by applying a Structural Equation Modelling approach to survey data from 318 respondents in the Danish municipal sector. We argue that links exist between different types of performance systems and a number of performance outcomes. More specific, we explore how different performance measures such as benchmarking, employee significance, innovation, accounting models and systems, strategy execution and cost allocation directly or indirectly affect performance. In particular, our data suggests that the association between adoption of accounting systems and performance is fully mediated through both strategy execution and cost allocation. Practitioners can improve empirical specifications for examining the effects of different measures and gain an understanding of the mediating effects of accounting and management concepts. These findings add to our understanding of the functioning of performance management systems within the public sector in theory and in practice.
    Keywords: Accounting systems; measures; management concepts; new public management; private sector; organizational performance; structural equation modelling; and survey.

  • Towards a Formal Specification for an AADL Behavioral Subset using the LNT Language   Order a copy of this article
    by Hana Mkaouar, Bechir Zalila, Jérôme Hugues, Mohamed Jmaiel 
    Abstract: The analysis of real-time systems designed by architectural languages such as AADL (Architecture Analysis and Design Language) is a challenging research topic. In such a context, formal methods become an advocated practice in software engineering for rigorous analysis. Yet, they are applied on specific formalisms to be analyzed on dedicated tools. This paper studies the formal verification of real-time systems modeled with the AADL language and its Behavior annex. We define a formal semantics of an AADL behavioral subset using the LNT language. This work is illustrated with a robot case study.
    Keywords: Real-time systems; Formal verification; AADL; Behavior annex.

  • Impact of FinTech on customer retention in Islamic banks of Malaysia   Order a copy of this article
    by Hasnan Baber 
    Abstract: This study is aimed to find the impact of much limelight topic FinTech on the customer retention in Islamic Banks of Malaysia. Islamic banks in Malaysia specifically have been on forefront in bringing FinTech into their processes at very early stage. Customers usually do not choose Islamic banks for technology but this paper will analyze the impact of FinTech in retaining customers. A 26 item questionnaire was used to gather data from 325 customers of selected banks in Malaysia by strata sampling. Statistical data was analyzed through various tests like reliability analysis, sample adequacy, factor analysis and regression analysis using SPSS 25.0. The findings of the study revealed that payments, advisory and compliance services of the FinTech has an impact on the retention of customers while financing service which is treated as important part in conventional banking has no significance on customer retention. This study will help Islamic banks to customize FinTench services for their customers and have association with such FinTech companies which adds value to their financial services.
    Keywords: FinTech; Technology; Customer retention; Islamic banks; Malaysia.

  • An Integrated GRA-DEMATEL-ANP Framework for Evaluation of Barriers to Implementation of Green Supply Chain Management in Manufacturing Industries   Order a copy of this article
    by Mohamad Sadegh Sangari, Fatemeh Nikkhoo, Maziar Khoshsirat 
    Abstract: Nowadays, green systems and technology have received much attention due to the increased concerns about environmental issues. However, companies have faced various barriers in its implementation. Thus, proper identification and evaluation of these barriers is necessary to achieve effective results. In this paper, an integrated framework based on Grey Relational Analysis (GRA), DEMATEL, and Analytic Network Process (ANP) methods is proposed to identify and evaluate the barriers to Green Supply Chain Management (GSCM) implementation in manufacturing industries. Drawing upon an extensive literature review, a reference framework of the GSCM barriers is developed consisting of two main groups, namely internal and external barriers. GRA is used to deal with ambiguity in experts assessments. Also, the interactions and cause-effect relationships among the GSCM barriers are evaluated using DEMATEL. The relative importance of the barriers is then identified by integrating results of DEMATEL and ANP. The proposed framework is implemented in a case study of an auto manufacturing company. The results show that, by taking interrelationships of the barriers into consideration, the factors related to customer and market and business partners as well as social and managerial factors are the most important barriers to effective implementation of GSCM initiatives in the case company.
    Keywords: Green Supply Chain Management (GSCM); Green Systems and Technology; Analytic Network Process (ANP); DEMATEL; Grey Relational Analysis (GRA); Barriers.

  • Formal Design Model for Service Oriented System: A Conceptual Perspective   Order a copy of this article
    by Amit Mandal, Anirban Sarkar 
    Abstract: The numerous design specifications in the service oriented architecture (SOA) standards space reflect knowledge captured mainly from the different perspectives. However, most of these approaches merely exhibits any compliance with the service design facets described commonly in different reference architectures. Moreover, most of these literatures merely drawn any correspondence between the business process facets to service design and further service design facets to real-world effect. This leads to semantic gap between services representation, its association with the business processes, and invocation of services to its real-world effects. To overcome these issues in this paper a formal model of service oriented system (SOS) has been proposed. To represent the concepts properly, here the SOS is divided into Information Model, Process Model and Action Model. The semantic relationship between the models helps in reducing the gap between the business processes and services, as well as services to its real-world effect. Further, the proposed service model facilitates the flexible, reusable and scalable service composition and it is in compliance with the open reference standards of SOA.
    Keywords: Service Oriented System; Service Model; Business Process; Service Binding; Service Composition.

  • Analyzing Competitive Advantage of Iranian Automotive Industry Using Porter's Diamond Model, Case study: Iranian Car Manufacturers   Order a copy of this article
    by Ali Alavi 
    Abstract: The automotive industry is looked upon as one of the main sectors of transportation in todays sophisticated business systems and bringing these realities into mind, studying the issues of this industry in Iran will find a high importance. The aim of this study is to investigate the barriers and issues of car exports in Iran based on Porters diamond model of national competition. Hereupon, a related body of literature reviewed status of car exports in the world. Based on Porters model, including the four main variables and the two mediator variables, six hypotheses have been proposed. To examine the indicators a questionnaire of 25 questions is extended. After data mining and analysis of the results, five out of six hypotheses are approved. Strategy, government, related & supportive industries, chance, demand conditions factors have been accepted after conducting T-test analysis. After discussing the results there are some recommendations for improving the situation of car exports in Iran.
    Keywords: Exports; Porter’s diamond model of national competition; Competitive advantage; automotive industry; Systems; Strategy.

  • A multicriteria forecast of the default probability in credit risk assessment   Order a copy of this article
    by Ayrton Benedito Gaia Do Couto, Luiz Flavio Autran Monteiro Gomes 
    Abstract: This study analyzes, through a multicriteria approach producing if-then rules, the possibility of forecasting the default probability for low-default portfolios in credit risk assessment. This approach relies on the simultaneous and complementary application of fuzzy and rough sets theories. The calculation of this probability is normally subject to judgments of experts, which imply subjectivity, imprecision and uncertainty of the results. In the proposed approach, the inferred if-then rules for a decision table generated by a simulation of 50 companies allowed the production of a knowledge base for the forecasting of classes of default probabilities. The "RoughSets
    Keywords: Default probability; Multicriteria analysis; Rough Sets Theory; Credit risk assessment; Forecasting system.

  • Development and evaluation of wearable electro-goniometer for the assessment of repetitive efforts and measurement of joint trajectories during carpet weaving   Order a copy of this article
    by Ashish Kumar Singh, Makkhan Lal Meena, Himanshu Chaudhary, Govind Sharan Dangayach 
    Abstract: This study is first of its kind to investigate the occupational goniometry while using weaving hand tools. The aim is to construct, calibrate and validate a low-cost sensor-embedded glove and elbow brace. This article establishes a common thread between electro-goniometry and postural assessment techniques. A low-cost sensory electro-goniometer embedded with resistive bend sensors was evaluated for the measurement of accuracy and output linearity. The output voltages from the sensors were converted into angles by implementing LabVIEW Interface for Arduino (LIFA) based graphical environment. Ten experienced female weavers participated in the study. Dynamic recordings of the finger, wrist and elbow bending trajectories were measured using the sensory electro-goniometer. Data from the electro-goniometer, photographs, and videotapes were used to investigate the postures involved while weaving. Assessment of repetitive task (ART) technique was used to identify the postural risks. Based on the data output from each sensor, the voltage to angle optimal linear models were obtained for the measurement range of 0˚-90˚ with 5˚ steps. The accuracy of the sensors was found within the limits of traditional goniometry. ART priority scores (ES>22) for subtask 1 and 2 revealed that working posture during carpet weaving requires necessary action and hand tools should be redesigned. The low-cost electro-goniometric glove and elbow brace for measurements of hand movements could be a promising tool for postural assessment and safety systems.
    Keywords: carpet weaving; sensory gloves; resistive flex sensor (RFS); electro-goniometer; goniometry; assessment of repetitive task (ART); ergonomics; carpal tunnel syndrome; systems; safety.

  • STUDY OF ENHANCING EMPLOYEE ENGAGEMENT AT WORKPLACE BY ADOPTING INTERNET OF THINGS (IOT)   Order a copy of this article
    by Sumi Jha, Preeti Khanna 
    Abstract: The Internet of Things (IoT) continues to affirm its importance in the context of Information and Communication Technologies (ICT) for the development of organization and society. The ecosystem of IoT may still be in a nascent state but is rapidly evolving. As far as the business demand is concerned the demand for IoT solutions seems to be coming from all industry verticals across all functions. Therefore, it is required to align different business functions to IoT. Human resource management function is one such pivotal function. It is believed that good HR practices enhances employee engagement. There is an increasing awareness that employee engagement is pivotal to successful commercial and business performance, where engaged employees are the backbone of good working environments where people are industrious, ethical and accountable (Levinson, 2007a; Cleland et al., 2008). The paper presents an analysis of Human resource management practices and IoT interventions on employee engagement at workplace. Further, the paper discusses that, in practice, organizations need to continuously realign work practices with IoT to enhance the employee engagements, and stakeholder interests.
    Keywords: Internet of Things (IoT); Employee Engagement; Innovation; Workplace.

  • Firm size effects on stock returns in mergers and acquisitions in Asian emerging markets   Order a copy of this article
    by Jianyu Ma, Yun Chu, Robert Beaves 
    Abstract: This study finds that firm size effects can be captured at every step during the process of estimating abnormal returns. Our small firm portfolio has higher averages with respect to alpha, total risk, firm-specific risk, expected return, actual return, and abnormal return. However, this small firm portfolio has a smaller beta average, which contradicts most prior findings which suggest that small firms tend to have higher betas. The observed higher alpha coefficient (not beta coefficient) makes a major contribution to the observed higher expected return for small acquiring firms. Small acquiring firms still gain higher abnormal returns than large acquiring firms even when the higher expected returns of the small firms are incorporated in the process of the abnormal return estimation.
    Keywords: firm size effect; mergers and acquisitions; Asian emerging markets; market model; alpha coefficient; beta coefficient.

  • Analyzing the Impact of IT Governance on the Performance of Project-based Organizations   Order a copy of this article
    by Sajjad Shokouhyar, Sadaf Zarin 
    Abstract: The present study investigated the impact of IT Governance on the performance of project-based organizations by employing the COBIT framework and ISO 38500, and examines the relationship between IT governance principles and BSC dimensions on project-based organizations performance. This research attempts to answer this question: Does the implementation of IT governance have a significant influence on project-based organizations performance? 94 employees of Mapna Company, which is a project-based organization, have participated in this study. The reason for selecting the participants from this enterprise was the fact that Mapna is among few project-based organizations in Iran. The authors data is collected using a questionnaire with questions about the principles of IT governance and BSC dimensions. 53 acceptable questionnaires were gathered after distributing among project managers and IT managers. In order to test the hypotheses, the researchers have used the structural equation technique based on partial least squares with the help of PLS software. It has been revealed that all IT governance Dimensions have a positive correlation with project-based organizations performance and information technology governance has significant and positive impact on these organizations performance. This study enlightens managers of the project-based organizations that the role of IT in these organizations can be very high. Information technology systems can cause the achievement of organizations to the desired status. These systems has made it possible for information to be useful and efficient. Organizations implement information systems, to keep operations running smoothly. Rapid advances in technology and the positive effects of it on work and organizations and the proper use of it can result employee satisfaction, increased profitability and effective use of time, and generally increase job satisfaction and organizational efficiency. The main distinctive feature of this study compared to other studies is the fact that it pays particular attention to the impact of IT on project-based organizations. Using the results of this study can help project managers to make the best decisions about how to use information technology in their organizations.
    Keywords: IT governance; COBIT 5; ISO 38500; information systems; technology.

  • The current trends and overview for Portfolio Management   Order a copy of this article
    by Victor Chang, Lihao Ni, Jingqi Zhang, Taiyu Li 
    Abstract: According to statistical report, cumulative wealth per capita has been increasing since 2000s, and in order to deal with the increasing free resources, portfolio management seems to play a significant role for both personal and corporate investment. This paper introduces the development of modern portfolio management, emphasizes the importance of investment portfolio management and project portfolio management, and then discusses the methods of constructing investment portfolios and project portfolios. We use financial tools and some mathematical models to construct different portfolios according to the risk preference of investors and make some suggestions to them. The Monte Carlo methods we designed in this research will help investors improve the portfolio management optimization. We suggest the investment strategy should be adjusted by preferences and the project with extreme grades should be reconsidered carefully.
    Keywords: portfolio management; modern portfolio theory; project management; investor; pricing model; Monte Carlo simulation; capital market line; portfolio analysis; mathematical model of portfolio; financial risk.

  • Systems of Business Travellers Heterogeneity in Air Transport   Order a copy of this article
    by James Hunak, Petr Kolar, Richard Brunet-Thornton 
    Abstract: Low-cost airline development is related to the deregulation of the air transport market that began in the United States (USA) in 1978. It affected other regions in the world including the European Union (EU). The deregulation enabled new entities to enter the industry, which caused a pivotal market transformation. The reviewed literature focused on the systems of business travellers proves that low-cost carriers are used not only by leisure passengers but by business travellers as well. This research deals with the heterogeneity of business passengers who use full-service and low-cost airlines in the sample market of the Czech Republic. It focuses on factors that determine the airline selection process by business travellers. Based on the analysis of empirical results, this geographically scoped discussion complements similar studies conducted in countries such as, the UK, Brazil and South Africa located outside the Central and Eastern Europe zone (CEE).
    Keywords: Airline marketing; Air transport; Air transportation systems; Business traveller; Full-service carrier; Low-cost carrier; Heterogeneity.

  • Consumer Buying Decision towards MLM Branded Health Supplement in Malaysia   Order a copy of this article
    by Chyuan Yan Heng, Alex Hou Hong Ng 
    Abstract: With increasing health awareness and demand for health supplements in Malaysia, the purpose of this study is to identify the reasons why consumers in Malaysia choose to buy Multi-Level Marketings branded health supplements. This study examines the extent of price, membership status, influencers impact and product attributes towards consumers buying decision of Multi Level Marketings branded health supplements. A questionnaire-based survey was used to collect data from 391 consumers in Malaysia and the data was analysed by employing SPSS. The results indicated that price, membership status and influencers impact have significant positive effect on consumers buying decision, but such effects were not shown by product attributes. The results suggested that the Multi-Level Marketing companies should look more into the development and promotion of the product rather than the method of selling and this is important in developing strategies to be competitive in Multi-Level Marketing business.
    Keywords: Buying decision; Consumer Behaviours; Direct Selling; Multi-Level Marketing; and Health Supplements,.

  • Financial Integration of Asian Markets: Multivariate Cointegration, Causality and Variance Decomposition   Order a copy of this article
    by Lamia Kalai 
    Abstract: The aim of this paper is to study financial integration of East Asian equity markets. To this end, we examine time series of 11 stock market indices. We conduct a multivariate cointegration analysis using the Engle-Granger test to determine the presence of a long-term equilibrium relationship between the studied indices. The Granger procedure defines the meaning of causality. Vector autoregression helps to model the dynamic relationships between the different markets. Forecast error variance decomposition captures much of the information on the dynamics of the indices VAR system and allows for checking the relative contribution of each shock in explaining price movements. The results indicate that there are long-term stationary equilibrium relationships and causal links between these markets. The results on the forecast error variance decomposition show that the price indices of emerging Asian countries can explain their caused variance and confirm that financial integration prevails in the region.
    Keywords: Financial Markets; Time series Model; Financial Econometrics; Investment Decision; Financial aspect of Economic Integration; Asia including Middle east.

  • Ambidexterity and sustainable balanced performance in knowledge-based organizations: investigating the role of open innovation   Order a copy of this article
    by Javad Sofiyabadi, Davood Feiz, Bahare Kolahi 
    Abstract: Main purpose of current research is to investigate effect of ambidexterity on sustainable balanced performance in knowledge-based companies active in the field of biotechnology and advanced medicine system in Tehran province. Research has attempted, through providing a scientific answer to the hypotheses, to improve sustainable balanced performance and value creation in the activities of studied companies. Through the application of multivariate statistical model of the relations of knowledge management system activities, ambidexterity, open innovation and sustainable balanced performance was studied. The research method was an applied and experimental one. To gather the data, 114 questioners was distributing. In first phase of research, by using exploratory factor analysis, factors loading was extraction and in second phase by updating the reach model, Partial least squares (PLS) was applied. Research finding show significant and positive relations of all research hypotheses.
    Keywords: Knowledge Based organizations; Ambidexterity; sustainable balanced performance; open innovation; Knowledge management system.

  • The Unique Effect of Dynamic Motivation and Different Perception of Organizational Politics on Students Ethics   Order a copy of this article
    by Setyabudi Indartono 
    Abstract: Although scholars coincide with the need to support higher education students toward higher levels of ethics, their findings lack dynamic individual behavior and environmental influence. Students motive and their perception of external dynamics are closely to react to their ethical behavior. Various education systems and technologies are believed to boost students ethics behaviors differently. This Study investigates the effect of Motivation and Perception of Organizational Politics on Students Ethics. It is employed by 2375 higher educations students. This study expected that students motivation and their perception of organizational politics have a significant unique effect on their ethics. Multiple regressions are used to analyze the data. The better ethical behavior of the student is shown by a student with higher motivation and perceives less political behavior at school. The unique findings show that motivation able to strengthens the effect of perception of organizational politics on their ethical behavior, and perception of organizational politics strengthen the effect of students motivation on their ethical behavior. Implications and future research are discussed.
    Keywords: Motivation; POP; Students’ Ethics; Systems and Technology.

  • Recommender Systems: An Overview, Research Trends and Future Direction   Order a copy of this article
    by Pradeep Kumar Singh, Pijush Kanti Dutta Pramanik, Avick Kumar Dey, Prasenjit Choudhury 
    Abstract: Recommender System (RS) has emerged as a major research interest that aims to help users to find items online by providing suggestions that closely match their interest. This paper provides a comprehensive study on the RS covering the different recommendation approaches, associated issues, and techniques used for information retrieval. Thanks to its widespread applications, it has induced research interest among a significant number of researchers around the globe. The main purpose of this paper is to spot the research trend in RS. More than 1000 research papers, published by ACM, IEEE, Springer, and Elsevier from 2011 to first quarter of 2017, have been considered. Several interesting findings have come out of this study, which will help the current and future RS researchers to assess and set their research roadmap. Furthermore, this paper also envisions the future of RS which may open up new research directions in this domain.
    Keywords: Recommender system; Issues; Challenges; Literature review; Filtering approach; Filtering technique; Information retrieval technique; Research trends; Future direction.

  • LEADERSHIP MODELS IN THE GAMIFICATION CONTEXT - CASE STUDY   Order a copy of this article
    by Joao Pereira, Renato Lopes Da Costa, Jose Borges, Maria Miguel 
    Abstract: The present work addresses the association of leadership quality factors (e.g. decision direction success and effectiveness of strategic moves) and gamification. In the last 30 years, commerce and international investments have increased faster than world economy as a whole. In order to deal with such complex environment, leaders and their decision making processes (either formal or informal) play a crucial role. Therefore, the study of leaders performance while attempting to solve real-life gamified scenarios, correlated with leadership factors, provide a powerful (yet underutilized) analysis instrument. The work proposed in this paper attempts to contribute for the business management area, which is typically focused in determining correlations between leadership factors framed by literature models and behaviour analysis of leaders in the different contexts. The present investigation comprehends the following objectives: analysis of leadership models and their framework in the scope of a management simulator; the effectiveness of gamification for organizational learning. Such objectives are achieved through: correlating operational results with leadership styles for players managing a company; to understand how the management style can and will affect the game final results; to identify prominent leadership styles during the game. The assessed sample of gamers consisted of 92 players. At the end of the game each player answered a leadership survey to assess leadership factors. The results obtained suggest a stronger focus on a decision making scope of traits model.
    Keywords: Leadership; Models; Gamification; Management Game; Organizational Learning.

  • Assessing service quality using fuzzy numbers and TOPSIS: an application to self-contained and serviced apartments   Order a copy of this article
    by Juan Carlos Martín, Cira Mendoza, Concepción Román 
    Abstract: This research paper proposes a methodological framework to assess the service quality (SQ) of self-contained and serviced apartments (SCSAs). The study is based on 2,753 surveys administered in a SCSA resort located in the south of Gran Canaria Island. SQ is based on a questionnaire that contains a list of 48 attributes. The answers' format is based on a four-facial expressions scale that cannot be easily transformed in a numeric scale. Thus, the ambiguity and possible biased analysis has partly overcome applying the fundaments of the fuzzy set theory. TOPSIS approach is then employed to obtain a synthetic SQ indicator. Finally, an observation-attribute relative performance analysis is developed to identify the operational areas that need improvement or can keep up the good work. The findings of this study may assist managers and policy planners with important insights about the attributes that tourists value more.
    Keywords: fuzzy numbers; TOPSIS; service quality; extra-hotel industry; self-contained and serviced apartments; SCSAs; elasticity; serviced-apartments; ideal solutions; attribute relative performance; observation relative performance.
    DOI: 10.1504/IJBSR.2019.10020052
     
  • Managing university rank and tenure decisions using a multi-criteria decision-making approach   Order a copy of this article
    by Enrique Mu, Cynthia Busin Nicola 
    Abstract: Faculty evaluation in academia is a serious concern for higher-education administrators. This study develops a model for rank and tenure (R&T) decisions using an analytic hierarchy process (AHP) multi-criteria decision-making (MCDM) approach. Literature review suggests most R&T evaluations are rather subjective in many institutions. A case method approach is used for the development of a model and demonstration of its use. The proposed evaluation model provides objectivity, transparency and customisation for R&T committee decisions in higher-education institutions.
    Keywords: analytic hierarchy process; AHP; rank and tenure; R&T; university promotion decisions; decision transparency.
    DOI: 10.1504/IJBSR.2019.10020053
     
  • Hedonic preference for technological devices justified by utilitarian application   Order a copy of this article
    by Emílio José Montero Arruda-Filho 
    Abstract: This study analyses consumer behaviour for bundled mobile phones, and tests the perception that integrated products have higher hedonic, rather than utilitarian, value. The study covers a variety of scenarios based on brand, price, and preference (hedonic or utilitarian) in the selection of mobile telecommunications devices. Two studies are developed on two specific themes: benchmarking of hedonic and utilitarian values according to consumers' current mobile phones, and hypotheses testing of consumer preferences related to hedonism/utilitarianism under the conditions of brand, price, and mobile characteristics (kind of convergence) proposed. This study enhances understanding of consumers' preferences and market tendencies according to their values related to hedonic and utilitarian characteristics converged in mobile devices. Thus, it has academic implications related to the theory of technology convergence according to the characteristics of new products that can lead to a combined hedonic, social, and utilitarian values perception. In terms of practical implications, the findings enhance comprehension for enterprises regarding which features/attributes, according to significance, are most closely related to the various scenarios that consumer are exposed to.
    Keywords: hedonic value; utilitarian value; technology preference; bundle products.
    DOI: 10.1504/IJBSR.2019.10020054
     
  • The impact of governmental policy on the relationship between IT systems inputs and business performance: a comparison of large corporations and SMEs in Taiwan   Order a copy of this article
    by Hsin-Pin Fu, Hsiaoping Yeh, Wen-Chin Yeh, Tzu-Ling Chien 
    Abstract: To rapidly adapt to global competition, manufacturers' business models have shifted from a company focus to a focus on the whole supply chain. The 'industry global e-logistics diffusion plan' has provided funds for manufacturers to establish their IT-based logistics systems. However, the performance of such establishments has not yet been evaluated, particularly under the influences of governmental policy. This study investigated the impacts of successful IT-based logistics systems and partnership in the supply chain on business performance moderated by governmental policy and organisational effects. The findings show that, for both large corporations and small-and-medium companies, their IT systems inputs and partnership would positive affect business performance. Governmental policy shows its moderating effect on IT systems inputs boosting up business performance. Yet, particularly for large corporations, organisational factors can also moderate the causal relationship between IT systems inputs and business performance.
    Keywords: IT systems input; partnership; organisation; governmental policy; business performance; Taiwan.
    DOI: 10.1504/IJBSR.2019.10020055
     
  • Environmental uncertainty and corporate social responsibility   Order a copy of this article
    by Brian Chabowski, Sharon Xuerong Huang, Li Sun 
    Abstract: This study examines the impact of environmental uncertainty on corporate social responsibility (CSR). Using a 23-year panel sample with 3,053 unique US firms and 23,742 firm-year observations, we test the ethics view and risk management view of corporate social responsibility. We find a significant and negative relationship between environmental uncertainty and corporate social responsibility, suggesting that firms are less likely to engage in corporate social responsibility activities when faced with an uncertain environment. Our results support the ethics view of corporate social responsibility. These insights should interest policymakers who implement guidelines on CSR and firms that are considering adjusting their CSR levels. Our results should also provide practitioners with useful insights regarding which specific determinants are associated with a company's level of CSR activities, and interest firms that attempt to incorporate CSR in their business systems.
    Keywords: environmental uncertainty; corporate social responsibility; business systems.
    DOI: 10.1504/IJBSR.2019.10020058
     

Special Issue on: ICMHI 2018/ICHSM 2018 Seamless Ubiquitous Information Technologies and Applications in the Evolution of Medical Informatics

  • An Improved Authenticated Key Agreement Protocol with Privacy Protection for Mobile Healthcare Systems with Wearable Sensors   Order a copy of this article
    by Tian-Fu Lee, Yin-Yu Diao, Meriske Chen 
    Abstract: Authenticated key agreement schemes for mobile healthcare systems with wearable sensors enables patients wearable devices, the mobile terminal, healthcare staff and the healthcare service to authenticate each other and establish a secure communication channel. Recently, Li et al. proposed an authenticated key agreement scheme based on elliptic curve cryptography for mobile healthcare systems with wearable sensors. Although the scheme of Li et al. provides a complete solution for providing healthcare staff, wearable sensors, mobile users, controller nodes and the healthcare service provider with authentication and key agreement, their scheme still fails to realize mutual authentication, user privacy protection, perfect forward secrecy. This investigation discusses these limitations and presents an improved protocol based on the scheme of Li et al. The improved protocol not only avoids the limitations in previous approaches, but also increases the efficiency in computation.
    Keywords: Authentication; key agreement; elliptic curve cryptography; privacy protection; mobile healthcare systems; wearable sensors.