An epsilon-free approach for finding the most efficient unit in DEA |
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Authors: | Mehdi Toloo |
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Affiliation: | Department of Business Administration, Faculty of Economics, Technical University of Ostrava, Ostrava, Czech Republic |
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Abstract: | Data envelopment analysis (DEA), considering the best condition for each decision making unit (DMU), assesses the relative efficiency and partitions DMUs into two sets: efficient and inefficient. Practically, in traditional DEA models more than one efficient DMU are recognized and these models cannot rank efficient DMUs. Some studies have been carried out aiming at ranking efficient DMUs, although in some cases only discrimination of the most efficient unit is desirable. Furthermore, several investigations have been done for finding the most CCR-efficient DMU. The basic idea of the majority of them is to introduce an integrated model which achieves an optimal common set of weights (CSW). These weights help us identify the most efficient unit in an identical condition. |
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Keywords: | Data envelopment analysis Mixed integer programming model Epsilon-free approach The most efficient unit Common set of weights Facility layout design |
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