GRIPS 政策研究センター Policy Research Center

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Jun 17, 2013 Report No:13-10

How to deal with S-shaped curve in DEA

Author
  • Kaoru ToneGRIPS
  • Miki TsutsuiCentral Research Institute of Electric Power Industry
Language English
Abstract

In DEA we are often puzzled by the big difference in CRS and VRS scores, and by the convex production possibility set syndrome in spite of the S-shaped curve often observed in many real data. In this paper we perform a challenge to these subjects.

Keywords Data envelopment analysis, S-shaped curve, CRS, VRS, scale elasticity, SAS
attachment 13-10.pdf