Many studies focus on inventory systems to analyze different real-world situations. This paper considers a two-echelon supply chain that includes one warehouse and one retailer with stochastic demand and an up-to-level policy. The retailer’s lead time includes the transportation time from the...

Traditionally, Kenya’s restaurants have in the past largely depended on international tourists for the main stay of their business. With the earlier steady growth of Tourism in the 1980s, these restaurants registered very good business, also supported by the fact that there were only a handful...

The Bank of Japan has published the Corporate Service Price Index (CSPI) since January 1991, and data used in the index has been collected since January 1985. Based on the Bank's ample experiences of compiling the CSPI, this paper has introduced the actual methods of quality adjustment to...