Data envelopment analysis for a supply chain

Author: Aoki Shingo  

Publisher: Springer Publishing Company

ISSN: 1433-5298

Source: Artificial Life and Robotics, Vol.15, Iss.2, 2010-09, pp. : 171-175

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Abstract

Data envelopment analysis (DEA) is a method for evaluating the management efficiency of decision-making units (DMUs). This article proposes a DEA model for supply-chain management. Traditional studies focused on the selection of partners and the construction of the supply chain. Therefore, this study considers how to optimize the supply chain itself in order to maximize the benefit by DEA. In addition, a significant matter is that supply chains have sometimes unbalanced business processes. This means that some particular DMUs on the supply chain have a superiority which maintains efficiency. That is why the other DMUs on the supply chain need to operate in unfavorable conditions. As a result, their operations badly affect the total efficiency of the supply chain. Therefore, the proposed method introduces an adjustment variable to calculate the optimum operation of the supply chain. The utility and effectiveness of the proposed method are shown by numerical experiments.