| Summary: | 碩士 === 國立中興大學 === 科技管理研究所 === 99 === Under the globalized tendency, the transnational enterprise not only number increases, in the supply chain management challenges are growing, such as: Cost containment, Customer intimacy and globalization. Procurement strategy plays an important role in the supply chain management. Consignment stock and competitive bidding are two outsourcing strategies that are commonly applied to control the inventory in the Supply Chain Management. In addition, because of demand uncertainly and variability, firms attempt to adopt the optimal demand switching ratio to decrease total demand’s variability and achieve the goal of inventory reduction. Based on the literature review, this research tried to explore the effect of demand switching on selecting purchasing strategies. In fact, there were four conditions of the chancing purchasing strategies. Only Product demand switch from competitive bidding to competitive bidding and Product demand switch from consignment was decreasing; other two conditions can not find the specific features to enable policy makers to follow.
Therefore, the companies not only consider the price of procurement, but also concern the cost of demand switching when deciding outsourcing strategies. The cost model of this research is a tool for managers to measure the total cost when choosing strategies from consignment stock and competitive bidding, moreover, to determine the optimal condition. This study will also be the foundation to investigate the relationship between outsourcing strategies and cost structure for the future researches.
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