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Chinese Journal of Management Science ›› 2010, Vol. 18 ›› Issue (2): 102-107.

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An Interval DEA Method Based on Overall Efficiency

XU Hao1,2, SUN Yan-hong1, HUA Zhong-sheng1   

  1. 1. School of Management, University of Science and Technology of China, Hefei 230026, China;
    2. School of Management, Anhui University, Hefei 230039, China
  • Received:2009-09-10 Revised:2010-01-15 Online:2010-04-30 Published:2010-04-30

Abstract: To overcome deficiencies using non-uniform inputs/outputs data to evaluate the efficiency of exfisting interval DEA methods,this paper presents an interval DEA method based on overall efficiency. The method optimizes the system efficiency,determines the accurate data of interval inputs/outputs and solves all DMUs' efficiency. A numerical example is employed to illustrate the effectiveness and superiority of the proposed method.

Key words: interval data, interval DEA, overall efficiency

CLC Number: