Proceedings of the Korean Institute of Intelligent Systems Conference (한국지능시스템학회:학술대회논문집)

Korean Institute of Intelligent Systems (한국지능시스템학회)
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DEA with Interval Efficiency Values

  • MAEDA, Yutaka (Dept. of Industrial Engineering , College of Engineering , Osaja Prefecture University) ;
  • ENTANI, Tomoe (Dept. of Industrial Engineering , College of Engineering , Osaja Prefecture University) ;
  • TANAKA, Hideo (Dept. of Industrial Engineering , College of Engineering , Osaja Prefecture University)
  • Published : 1998.06.01
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Abstract

In this paper, we formulate the DEA model with interval efficiency, there exist two phases of efficiency evaluation with respect to the upper limit and the lower limit. From these viewpoints, we can define two extreme points of efficiency. As a result, an interval efficiency for each DMU cam be obtained. We also formulate the interval cross-efficiency.

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