An Inventory System under the trade-credit facility for deteriorating items with Preservation and Promotion in Fuzzy and Cloud Fuzzy Environment -- Non-instantaneous deteriorating inventory model for variable demand and holding cost with quantity discount policy and partial backlogging -- On the...

In the classic Economic Order Quantity model the purchasing cost of an order is paid at the time of its receipt. In some cases retailers ask purchasers to pay all or a fraction of the purchasing cost in advance and may allow them to divide the prepayment into several equal-sized parts. In this...

In this paper, for the first time, an inventory control model to determine the optimal order and shortage quantities of a perishable item when the supplier offers a special sale is developed. Four possible cases based on decision that the purchaser might make about the first replenishment policy...