We consider a supply chain where an OEM (manufacturer) sources a component from multiple suppliers. OEM uses the component to make a product that he then sells to end customers. When a component fails in the field, warranty costs are incurred. The focus of the paper is to examine various...

This paper studies echelon stock (R, nQ) policies in serial production/inventory systems with stochastic demand. We provide a recursive procedure to compute the steady state echelon inventory levels of the systems, which can be used to evaluate the long-run average holding and backorder costs as...

A monopolist sells a single product to a market where the customers may be enticed to accept a delay as to when their orders are shipped. The enticement is a discounted price for the product. The market consists of several segments with different degrees of aversion to delays. The firm offers a...