This article proposes a two-level fuzzy supply chain inventory model, in which single consignor delivers multiple items to the consignees with consignment stock agreement. The lead time is incorporated into model and considered variable for obtaining optimal replenishment decisions. In addition, crashing cost employed reduce duration. investigates four different cases under controllable analyze...

The main purpose of this paper is to investigate the optimal retailer’s lot-sizing decisions under partial payments delay within the economic order quantity (EOQ) framework. All previously published models concerned with payments delay assumed that the supplier would offer the retailer fully payments delay. However, in this paper, we assume that the supplier would offer the retailer partial pay...

Inventory models play a leading role in analyzing a lot of realistic situations arising at places like, food and vegetable markets, market yards, oil exploration industries, etc. In the present article, we developed an inventory model for deteriorating items with permissible delay in payment under inflation. In the given model, demand rate is considered as stock-dependent and deterioration rate...

Trade credit has many forms in today’s business practice. The most common form of trade credit policy that is used to encourage retailers to buy larger quantities is order-size dependent. When the number of ordered units exceeds the capacity of the own warehouse, an additional rented warehouse is required to store the excess units. Therefore, to incorporate the concept of order-size dependent t...

Trade credit is an increasingly important payment behavior in real business transactions. To reduce nonpayment risks, a supplier/retailer frequently offers partial trade credit to its credit risk downstream member who must pay a portion of the purchase amount at the time of placing an order and then receives a permissible delay on the rest of the outstanding amount. This paper develops an EPQ m...

The purpose of this study is to investigate the impact of trade credit in the inventory system. It explores an inventory system with noninstantaneous replenishment under conditions of permissible delay in payments. In practice, the supplier allows a certain fixed credit period to settle the account for stimulating retailer’s demand. Besides, the supplier can offer cash discount to encourage ret...