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Russell-graph measure and super efficiency in data envelopment analysis

Author

Listed:
  • Alireza Amirteimoori
  • Sohrab Kordrostami
  • Leila Khoshandam

Abstract

In non-parametric methods, if the number of operational units is relatively small when compared with the sum of number of inputs and outputs, many units are evaluated as efficient. The super-efficiency Data Envelopment Analysis (DEA) model can be used to discriminate between these efficient units. In this paper, an efficiency measure based on the weighted Russell-graph measure is proposed. By using this efficiency measure, a new super-efficiency DEA model is proposed to overcome the infeasibility problem of the existing methods. This approach is applied to 14 commercial bank branches and 15 US cities, respectively.

Suggested Citation

  • Alireza Amirteimoori & Sohrab Kordrostami & Leila Khoshandam, 2013. "Russell-graph measure and super efficiency in data envelopment analysis," International Journal of Mathematics in Operational Research, Inderscience Enterprises Ltd, vol. 5(1), pages 40-54.
    • Handle: RePEc:ids:ijmore:v:5:y:2013:i:1:p:40-54
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