In recent decades, warranties have become more important in deciding the overall product quality. In this thesis, we use warranty as the planning tool to improve product quality during the customer phase. We develop an analytical framework that consists of systematic planning methods to reduce...

In this research, we study a general multi-period inventory model for a buyer and his supplier. We propose an adjustment contract to allow the buyer to adjust his inventory levels upwards or downwards. Thus, the buyer has more flexibility in inventory control so as to reduce his inventory risk....