本研究旨在探討採購能力、供應鏈管理及組織績效之相關性。採購最重要的價值之一，便是控制採購成本，以提升採購的績效。控制採購成本所採行的就是採購與供應鏈管理(PSM)。對採購工作而言，企業目標與採購目標一致，並應與供應商和客戶的目的相吻合，是非常重要的觀念，經由購成本控管所節省下來的每分錢都直接造成企業毛利的增加。因此，有效地管理與減少採購成本是企業財務成功的關鍵性因素。
本研究方法採用問卷調查方式，對企業工作人員進行調查，問卷共發放250份，計回收160份，有效問卷數為154份。調查結果應用因素及信度分析、描述性統計、差異分析、迴歸分析等方法進行分析。以採購能力為自變項，供應鏈管理為中介變項，組織績效為依變項。研究結果顯示：
1.：採購能力與供應鏈管理變項有相關為成立。
2.：採購能力和組織績效變項有相關為成立。
3.：採購能力透過供應鏈管理中介效應對組織績效產生正向影響為成立。
4. 不同個人與組織特徵的受訪者對採購能力、供應鏈管理和組織績效等變項因素有差異性為成立。

This dissertation is going to analyze and introduce the correlation between procurement and supply management and the organizational performance. The essential value of the procurement system is to cost down and evaluate performance for enterprises. PSM is the strategy applied on this. In the procurement process, it is required for companies, suppliers and customers to acquire the goal of unity. The more active the purchasing process is, the more gross profit the company will gain. Hence, to decrease the business cost is the key success factor.
The research method is based on questionnaire, investigating 250 company employees. 160 questionnaires are collected, including 154 effective questionnaires. Factor and reliability analysis, descriptive statistics, variation analysis and regression analysis are applied in this dissertation. In this study, PSM is argument, mediator is supply chain management, and dependent variable is the company performance. The results of this study summarize as follows.
1.The effect of the procurement system on the supply chain management is positive.
2.The effect of the procurement system on the company performance is positive.
3.The impact of the procurement system through supply chain management on the company performance is positive.
4.Employees from different backgrounds ( personal characters and company effects) influence the procurement system, supply chain management and the company performance.

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