Managers always want to decrease the cost of the inventory system and increase the customers’ satisfaction. To access to the mentioned aim they should notice the different aspects of their inventory system to become successful in today competitive global marketing. In this research we model...

The aim of this paper is to develop an optimization model for quality improvement by considering quality investment in rework policies and supply chain profit sharing. To improve product’s quality, the decision of process target and its tolerance is important since it directly affects the...

Purpose: The aim of this research is to develop a two stages optimization model on make or buy analysis and quality improvement considering learning and forgetting curve. The first stage model is developed to determine the optimal selection of process/suppliers and the component allocation to...