Forthcoming and Online First Articles

International Journal of Supply Chain and Inventory Management

International Journal of Supply Chain and Inventory Management (IJSCIM)

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International Journal of Supply Chain and Inventory Management (3 papers in press)

Regular Issues

  • Cold supply chain network for the agricultural products   Order a copy of this article
    by Vishal A. Bhosale, Saurabh Patil, Aniket Mandlik, Harshal Motghare 
    Abstract: Fruits and vegetables are an essential part of day-to-day life. The cold supply chain plays a vital role in effective transportation for delivering agricultural products from farms to customers. These products require specific temperature and humidity conditions. Maintaining these conditions is a challenging task. This research focuses on optimising the cold supply chain for agricultural products and minimising the cost of delivering the products. A cold supply chain requires an organised network of farmers, packaging centres, distribution centres and transport vehicles. The theoretical model proposed in this paper is based on an analysis of the literature survey. Constraints in the mathematical model are related to demand and supply constraints, the capacity of packaging centres, the capacity of vehicles, and storage temperature. This study proposes a mathematical model and theoretical framework to minimise the costs in the cold supply chain. The created approach will enable enterprises that carry agricultural products to create optimal routes, more fresh products, minimum transportation cost and minimum transportation time.
    Keywords: relative humidity; storage life; travelling salesman problem.

  • An economic order quantity model under constant purchasing price increments   Order a copy of this article
    by Jayalal Wettasinghe, Kasun Lankapura 
    Abstract: The classic economic order quantity (EOQ) model developed in 1913 still has wider applications in inventory management even though it involves some restrictive assumptions. This paper presents an extension to the classic EOQ model by incorporating the assumption that the price of the item is increased at each order by a constant factor. The cost function for the total annual inventory cost was developed for two cases, i.e., the inventory holding cost is a percentage of the purchasing price of the item, and the inventory holding cost is a constant, i.e., not a percentage of the purchasing price of the item. Formulae for the optimal order quantity were derived in a similar way to the derivation of the classic EOQ model. Results of the given numerical experiments show that the derived formulae are applicable, and the total inventory cost function behaves in a similar pattern as the total inventory cost function of the classic EOQ model. Sensitivity analysis was conducted to study how sensitive the proposed EOQ to the cost parameters, and the results showed that the behaviours are similar to that of the classic EOQ model.
    Keywords: economic order quantity; EOQ; inventory management.

  • Optimal decision policy for a retailer in a stochastic manufacturing process involving a rework process for defective items and two-level trade credit finance   Order a copy of this article
    by Om Prakash, Shubham Priyadarsahi, Nipa Biswas 
    Abstract: Though production facilities are advancing day by day, some imperfection in manufacturing process still remains. This paper develops a manufacturing system with rework process of defective items. We have assumed that the defective items are repairable and a portion of the reworked items is considered to be scrap. In model, it is proposed that demand of items, proportion of defective products and scrap rate are randomly distributed with known probability density function. In the model it is also assumed that the supplier of raw materials offers a delay period to the manufacturer and manufacturer extends a similar delay policy to his customers. The main objective of the system is to minimize the manufacturer’s overall cost and to determine manufacturer’s optimal replenishment policy. The optimal replenishment policies are also discussed with the help of some theorems. Numerical examples are illustrating the theoretical results and sensitivity of important cost parameters is discussed.
    Keywords: probabilistic inventory; production process; rework process; trade credit; stochastic demand.