... this tough but interesting topic and other issues involved. They approached the issue of safety stock from different dimensions such as safety stock & MRP or safety stock & lot-sizing. Also, methods of studying are varied from authors to authors since those methods must serve authors' specific objectives. Though all of these studies covered only one or few issues regarding safety stock, some of them have been proved to be successful and applicable in various areas of manufacturing. Therefore, this paper presents a comprehensive categorization and summary of major research on safety stock from year 2001 to 2004 in major operations management journals. Categorization As mention earlier, researcher used various/different methods and approach to gauge problems with regards to safety stock to serve certain objectives. Hence, these researches can be categorized in terms of methods or approaches or objectives. 1. Methods of studying All the researches are using one of the following methods to ...

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