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| Author: | Cherchye, L Kuosmanen, T. Post, T. |
| Title: | Alternative treatments of congestion in DEA : a rejoinder to Cooper, Gu and Li |
| Journal: | European Journal of Operational Research
2001 : VOL 132:1 p. 75-80 |
| Index terms: | DATA ENVELOPMENT ANALYSIS EFFICIENCY MODELS |
| Language: | eng |
| Abstract: | This article is a response to othe article : Cooper, W.W., B. Gu and S. Li : "Comparisons and evaluations of alternative approaches to the treatment of congestion in DEA" which was published in European Journal of Operational Research. The authors ot that article claimed that the standard FGL procedure by Färe, Grosskopf and Lovell for dealing with congestion in DEA can fail to identity congestion when it is present and identity congestion when it it snot present. The authors of this article clarify and point out that fact that congestion, its relationships etc. was originally intented for measuring structural efficiency so that the results of Cooper et al. partially arises from ignorance of some key maintained assumptions. Errors-in-variables on the two-stage DEA approach is also discussed. |
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