In this paper, an economic production quantity (EPQ) inventory model with interruption in process, scrap and rework is developed and analyzed. The inventory model is for multiple products and all products are manufactured in a unique machine. Obviously, the existence of only one machine results...

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...

A stochastic version of the economic lot sizing problem with pricing is presented. The control variables of the stochastic problem are the production quantities and cycle lengths for each product. The recourse variables are the sales prices and the external purchase quantities in each production...