Template-Type: ReDIF-Article 1.0 Author-Name: Rupak Bhattacharjee Author-X-Name-First: Rupak Author-X-Name-Last: Bhattacharjee Author-Name: Bibhas C. Giri Author-X-Name-First: Bibhas C. Author-X-Name-Last: Giri Author-Name: Ayan Chakraborty Author-X-Name-First: Ayan Author-X-Name-Last: Chakraborty Title: An optimal policy for an integrated vendor-buyer model with two warehouses under vendor's capacity constraint Abstract: The paper considers an integrated single-vendor single-buyer supply chain model in which the vendor is assumed to be capacity constrained. The vendor can keep the excess units beyond the capacity of its own warehouse (OW) in a rented warehouse (RW) whose holding cost is higher than that of the own warehouse. The vendor delivers the buyer's order quantity in a number of equal shipments. The proposed integrated model is formulated and some of its characteristics are studied analytically. Considering the vendor's capacity as a control variable, the optimal decisions of the model are obtained for a numerical example. Sensitivity analysis is also carried out to measure the impact of key model-parameters on the outcome of the model. Journal: Int. J. of Inventory Research Pages: 13-28 Issue: 1 Volume: 5 Year: 2018 Keywords: supply chain; vendor-buyer integrated model; rented warehouse; capacity constraint. File-URL: http://www.inderscience.com/link.php?id=92348 File-Format: text/html File-Restriction: Access to full text is restricted to subscribers. Handle: RePEc:ids:ijires:v:5:y:2018:i:1:p:13-28 Template-Type: ReDIF-Article 1.0 Author-Name: Yigal Gerchak Author-X-Name-First: Yigal Author-X-Name-Last: Gerchak Title: On inventory control with reference prices: a technical note Abstract: A retailer sets prices, as well as, simultaneously, selects quantities to order from the supplier. We consider a two-period setting where the second period's demand depends on the first period's ('reference') price, as well as on the second period price. We consider a linear-additive demand function as well as a novel iso-elastic multiplicative model. Journal: Int. J. of Inventory Research Pages: 29-37 Issue: 1 Volume: 5 Year: 2018 Keywords: inventory control; reference price; stochastic demand. File-URL: http://www.inderscience.com/link.php?id=92349 File-Format: text/html File-Restriction: Access to full text is restricted to subscribers. Handle: RePEc:ids:ijires:v:5:y:2018:i:1:p:29-37 Template-Type: ReDIF-Article 1.0 Author-Name: Manisha Pal Author-X-Name-First: Manisha Author-X-Name-Last: Pal Author-Name: Anwesha Samanta Author-X-Name-First: Anwesha Author-X-Name-Last: Samanta Title: Inventory model for non-instantaneous deteriorating item with random pre-deterioration period Abstract: The paper studies an inventory model for non-instantaneous deteriorating item where the deterioration of the item is initiated at a random time point. It is assumed that no shortages are allowed and demand occurs uniformly but at different rates during pre- and post-deterioration periods. The optimum order quantity and reorder intervals are determined so as to minimise the total expected cost per unit length of an inventory cycle. Numerical examples are cited and a sensitivity analysis is carried out to study the effect of model parameters on the optimum policy. Journal: Int. J. of Inventory Research Pages: 3-12 Issue: 1 Volume: 5 Year: 2018 Keywords: inventory control; periodic review model; non-instantaneous deteriorating item; random pre-deterioration period; uniform demand rate. File-URL: http://www.inderscience.com/link.php?id=92350 File-Format: text/html File-Restriction: Access to full text is restricted to subscribers. Handle: RePEc:ids:ijires:v:5:y:2018:i:1:p:3-12 Template-Type: ReDIF-Article 1.0 Author-Name: Amirhosein Patoghi Author-X-Name-First: Amirhosein Author-X-Name-Last: Patoghi Author-Name: Mostafa Setak Author-X-Name-First: Mostafa Author-X-Name-Last: Setak Title: Coordinating replenishment and marketing policies for non-instantaneous deteriorating items with imprecise deterioration free time and general deterioration and holding cost rates Abstract: In this paper an inventory system for non-instantaneous deteriorating items with imprecise deterioration free time is developed. We adopt a price and advertisement frequency dependent demand function, and in order to reach a general framework, arbitrary functions of deterioration and holding cost rates are hired. The major objective is to determine the optimal selling price, the optimal replenishment cycle and the optimal frequency of advertisement such that, the total profit is maximised. In order to determine the optimal solution several theoretical results are derived which indicate existence and uniqueness of the optimal solution. Thereafter, based on these theoretical results an iterative solution is developed. Finally, numerical examples are provided to demonstrate solution procedure, then sensitivity analysis is performed, it is shown that optimal policy under uncertain environment and crisp environment are identical and finally some managerial insights are proposed. Journal: Int. J. of Inventory Research Pages: 38-59 Issue: 1 Volume: 5 Year: 2018 Keywords: inventory; imprecise deterioration free time; arbitrary deterioration and holding cost rates; price and advertisement dependent demand. File-URL: http://www.inderscience.com/link.php?id=92355 File-Format: text/html File-Restriction: Access to full text is restricted to subscribers. Handle: RePEc:ids:ijires:v:5:y:2018:i:1:p:38-59 Template-Type: ReDIF-Article 1.0 Author-Name: Nita H. Shah Author-X-Name-First: Nita H. Author-X-Name-Last: Shah Author-Name: Monika K. Naik Author-X-Name-First: Monika K. Author-X-Name-Last: Naik Title: Inventory model for non-instantaneous deterioration and price-sensitive trended demand with learning effects Abstract: This paper addresses a working model for non-instantaneous deteriorating items including the learning effect on various costs and the preservation technology investment to reduce the deterioration rate. The system includes time and price sensitive demand. The objective is to maximise the total profit per unit time by finding optimal joint selling price, replenishment cycle time, the preservation technology investment per unit time, ordering quantity and the shortage period. A numerical example is presented to validate the policy investigated in this paper. Further, the sensitivity analysis about the key parameters is conducted to obtain the managerial insights. Journal: Int. J. of Inventory Research Pages: 60-77 Issue: 1 Volume: 5 Year: 2018 Keywords: non-instantaneous deterioration of items; time-price dependent demand; learning effect; preservation technology. File-URL: http://www.inderscience.com/link.php?id=92356 File-Format: text/html File-Restriction: Access to full text is restricted to subscribers. Handle: RePEc:ids:ijires:v:5:y:2018:i:1:p:60-77 Template-Type: ReDIF-Article 1.0 Author-Name: Neeta Sharma Author-X-Name-First: Neeta Author-X-Name-Last: Sharma Author-Name: Prem Vrat Author-X-Name-First: Prem Author-X-Name-Last: Vrat Title: Inventory models with stock-dependent demand: a comprehensive review and its linkage with waste management Abstract: This paper presents a review of the advances in stock-dependent demand inventory literature for the last three decades. The available relevant models have been classified into a number of categories and their principal features have been discussed in brief to bring out more pertinent information regarding model development. An extensive analysis of the literature is presented to identify the future research scope and the factors which are responsible for the poor applicability of these models. Moreover, a very important and missing link between the stock-dependent demand phenomenon and waste has been recognised as a potential field for exploration in materials management as well as in our day-to-day consumption pattern. It has been emphasised that many socio-economic problems which have a root cause in wasteful resource consumption can be solved by incorporating the phenomenon in our waste management practices. Journal: Int. J. of Inventory Research Pages: 112-152 Issue: 2 Volume: 5 Year: 2018 Keywords: inventory models; stock-dependent demand; SDD; stock-induced consumption; stock-induced waste; waste management. File-URL: http://www.inderscience.com/link.php?id=93804 File-Format: text/html File-Restriction: Access to full text is restricted to subscribers. Handle: RePEc:ids:ijires:v:5:y:2018:i:2:p:112-152 Template-Type: ReDIF-Article 1.0 Author-Name: P. Vijaya Laxmi Author-X-Name-First: P. Vijaya Author-X-Name-Last: Laxmi Author-Name: M.L. Soujanya Author-X-Name-First: M.L. Author-X-Name-Last: Soujanya Title: Perishable inventory model with Markovian arrival process, retrial demands and multiple working vacations Abstract: In this paper, we consider a continuous review perishable inventory system in which two types of customers, positive and negative, arrive according to a Markovian arrival process. The life time of an item and the lead time of reorder are exponentially distributed. Demands that occur during stock out period or busy period either enter an orbit of size <i>N</i> or are lost. The orbital demands compete their service with an exponential rate depending on the number of demands in the orbit. The waiting demands in the orbit may renege the system after an exponentially distributed amount of time. The server takes multiple working vacations at zero inventory. The steady state joint probability distribution of the number of customers in the orbit and the inventory level is obtained. Various performance measures and cost analysis are shown with numerical results. Journal: Int. J. of Inventory Research Pages: 79-98 Issue: 2 Volume: 5 Year: 2018 Keywords: Markovian arrival process; MAP; orbit; inventory; (s, S) policy; replenishment time; negative customers; multiple working vacations; matrix analytic method; perishable items; retrial demands. File-URL: http://www.inderscience.com/link.php?id=93805 File-Format: text/html File-Restriction: Access to full text is restricted to subscribers. Handle: RePEc:ids:ijires:v:5:y:2018:i:2:p:79-98 Template-Type: ReDIF-Article 1.0 Author-Name: Jianjun Yu Author-X-Name-First: Jianjun Author-X-Name-Last: Yu Author-Name: Xiaoyong Huang Author-X-Name-First: Xiaoyong Author-X-Name-Last: Huang Author-Name: Kunye Lyu Author-X-Name-First: Kunye Author-X-Name-Last: Lyu Title: Research on optimal production decision for 'company + farmer' based on farmland leasing model Abstract: To study the problem of the optimal production decision of risk-neutral company and risk-averse farmer under the 'company + farmer' rental model, this paper is based on the traditional newsboy model from the perspective of supply chain coordination. By introducing a leasing model, the optimal production decision of supply chain is analysed in case of considering expected rents. For the case of considering the expected rent, the risk-averse farmer's production decision-making problem is discussed by introducing conditional value-at-risk (CVaR) and the conclusion is drawn that when facing the lower labour costs of agricultural products, the farmer can effectively avoid risks by using rental model under the 'company + peasant household'. Journal: Int. J. of Inventory Research Pages: 99-111 Issue: 2 Volume: 5 Year: 2018 Keywords: farmland leasing mode; expect rents; conditional value-at-risk; CVaR; company + farmer. File-URL: http://www.inderscience.com/link.php?id=93806 File-Format: text/html File-Restriction: Access to full text is restricted to subscribers. Handle: RePEc:ids:ijires:v:5:y:2018:i:2:p:99-111 Template-Type: ReDIF-Article 1.0 Author-Name: Chun-Hung Chiu Author-X-Name-First: Chun-Hung Author-X-Name-Last: Chiu Author-Name: Zhanwen Peng Author-X-Name-First: Zhanwen Author-X-Name-Last: Peng Title: The optimal pricing, quantity decision, number of product of online designer with scarcity effect and product variety benefit Abstract: Online sales platform is a new opportunity for fashion designers to promote their own designs. In this article, we investigate the fashion designer's optimal pricing and production decisions, and product category management by incorporating the scarcity effect and the product variety benefit. We find that the popularity of the designer is very crucial in this problem. Specifically, a more popular designer can increase the price and product quantity to obtain more profit with less number of product designs, while an un-famous designer can benefit from the high demand variability. Moreover, the numerical analysis shows that the un-famous designer can benefit from increasing product variety, but it is not true for the famous designer. Journal: Int. J. of Inventory Research Pages: 153-168 Issue: 2 Volume: 5 Year: 2018 Keywords: category management; designer sales platform; scarcity effect; product variety benefit; pricing and production strategy. File-URL: http://www.inderscience.com/link.php?id=93808 File-Format: text/html File-Restriction: Access to full text is restricted to subscribers. Handle: RePEc:ids:ijires:v:5:y:2018:i:2:p:153-168