With the widespread use of manufacturing philosophies such as Just-In-Time (JIT), emphasis has shifted to the simultaneous consideration of cardinal and ordinal data in supplier selection process. Traditionally, many optimization models of supplier selection assume that the average prices of related expenditures are constant. This is far beyond the real situation. In fact, suppliers usually off...

This paper investigates the backorder rate inventory problem with defective units. In practice, the uncertainties of customer’s demand and backorder rate are inherent; hence, backorder rate and customer’s demand are not constant. In this study, we assume that the backorder rate is dependent on the amount of shortages and backorder price discounts, and the lead time demand follows a mixture of d...

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Good inventory management is essential for a firm to be cost competitive and to acquire decent profit in the market, and how to achieve an outstanding inventory management has been a popular topic in both the academic field and in real practice for decades. As the production environment getting increasingly complex, various kinds of mathematical models have been developed, such as linear progra...

Corresponding Author: Yi Lin Graduate Institute of Industrial and Business Management, National Taipei University of Technology, No. 1, Sec. 3, Zhongxiao E. Rd., Taipei City 106, Taiwan E-mail: [email protected] Abstract: This paper mainly focuses on the discussion of the best economic production quantity of process unreliable and defective items reproduce of the production system. In today'...

In this section, we consider the case where the supplier has a capacity of K units that he can sell throughout N -periods. Let QN correspond to the total production quantity of an N -period uncapacitated game. For the N -period limited capacity case, when the capacity is “tight,” i.e., CS ≤ a 4b , or when the capacity is “abundant,” i.e., CS ≥ QN , the results are straightforward and intuitive....