This paper considers a two-level supply chain consisting of a manufacturer and two buyers. The manufacturer produces one type of products at a finite rate and replenishes them to the buyers. Each buyer’s demand is sensitive to his selling price and the backorder is allowed at the buyers. Moreover, it is assumed that the buyers delay paying for goods to the manufacturer and two types of delay in...

Inventory models for deteriorating items of a supply chain is critical essence to the maritime industry. This study proposes real and economically efficient multicriteria inventory policy with nonlinear ramp functions permissible delay in payment under inflation, two conditions Shortages Followed by (SFI) (IFS) have been considered formulation models. Both consist ordering cost, unit deteriorat...

In today's fast marketing over the Internet or online, many retailers want to trade at the same time and change their marketing strategy to attract more customers. Some of the customers may decide to cancel their orders partially with a retailer due to various reasons such as increase in customer's waiting time, loss of customer's goodwill on retailer's business, and attractive promotional sche...

This paper develops an economic lot-sizing production model for deteriorating items with time dependent quadratic demand and delay in payments under two levels of trade credit policy. The trade credit policy adopted here is a two-level trade credit policy in which the supplier offers the retailer a permissible delay period M, and the retailer in turn provides customers a permissible delay perio...

This paper discusses the economic order quantity ( EOQ ) under partial trade credit. In 1985, Goyal assumed that: (i) The unit selling price and the unit purchasing price were equal. (ii) The supplier would offer the retailer full trade credit under condition of delay payments. The main purpose of this paper wants to modify Goyal’s model to presume that the unit selling price and the unit purch...