Several EOQ models have developed over time to guarantee that the appropriate quantity of inventory is ordered in every batch, so a firm does not place orders too frequently or an excess on hand. Inventory management, inspection ordering, storing, and utilization company’s inventory, necessitates use models. This paper aims at developing model when supplier offers trade credit policy buyer, for...

A joint replenishment problem is presented to determine the ordering policy for multiple items having a certain percentage of defective units. The purpose of this paper is to study the impact of the percentage of defective units on the ordering policy. Two different scenarios are presented for joint replenishment problem: (1) without price discount and (2) with price discount. For each scenario...

We consider a simple dynamic “collective reputation” model of a market for an expericence good into which we introduce imperfect quality inspections. In each period two markets operate: a market for sellers who have been “honest” in the past, and a market for sellers who have been “dishonest” in the past. In every period, the quality of produced goods is inspected, and those sellers who have be...