ISSN 1008-2204
CN 11-3979/C
WANG Ke, WEI Fa-jie. The Improvement Ranking Approaches for Interval DEA[J]. Journal of Beijing University of Aeronautics and Astronautics Social Sciences Edition, 2010, 23(2): 79-82.
Citation: WANG Ke, WEI Fa-jie. The Improvement Ranking Approaches for Interval DEA[J]. Journal of Beijing University of Aeronautics and Astronautics Social Sciences Edition, 2010, 23(2): 79-82.

The Improvement Ranking Approaches for Interval DEA

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  • Received Date: November 02, 2008
  • Published Date: March 24, 2010
  • The traditional approaches could not fully rank all the DMUs in interval DEA because the efficient DMUs have the same efficiency scores. In order to solve this problem, we combined the discriminant analysis of ratios (DR) method with interval DEA so as to establish a new approach: the interval DR/DEA method. The efficiency scores provided by this method is different from one DMU to another, therefore they can be used to fully rank all the DMUs in interval DEA. This method is demonstrated through an example in the end. 
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