Supply chain management research has attracted a great deal of attention over the past ten years. Moreover, it is an area of research that covers an enormous territory involving multiple disciplines. Supply chain management is studied and practiced in both academic as well as by practitioner circles. This is a book that is written for students, researchers, and practitioners across a number of domains including Operations Management Science, Operations Research, Applied Mathematics and Engineering. The text is concerned with the problems of inventory and supply chain decision making with information updating over time.