Talk:Data Envelopment Analysis

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This article needs to be made much more clear as an introduction to the subject.

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The section titled "The traditional DEA framework" is lifted verbatim from "Performance Evaluation in Stochastic Environments Using Mean-Variance Data Envelopment Analysis" by Thierry Post in Operations Research, Vol. 49, No. 2 (Mar. - Apr., 2001), pp. 281-292. As the Wikifier, I am not sure what to do as the "contributor" of this change, Nikolekidman, has no talk page. Would rolling back just this change be the right thing to do? Catfood73 07:35, 31 December 2006 (UTC)

I've removed the section since copyright violations are not allowed. -- Barrylb 08:27, 31 December 2006 (UTC)

[edit] Econometrics?

For now I have changed Econometrics to Economics in the introductory sentence. I think this is less ambigous since the previous version introduces DEA as a tool of econometrics yet I am not sure whether this is right. To me it appears that some parts of the literature introduce DEA as an alternative to econometric methods (also none of the standard (& advanced) econometrics textbooks discuss DEA (e.g. Winston and Greene, Hayashi, Madalla)). The main argument of this type of literature is that DEA is based on envelopment techniques, i.e. linear programming, which connects it to mathematics rather than econometrics. On the other hand the Journal of Econometrics published a considerable amount of articles on DEA (one that gives a good introduction to DEA is Seiford and Thrall (1990)). Also maybe one could use this paper to make the article clearer and better to understand! --Karina.l.k 11:05, 15 February 2007 (UTC)

[edit] Blatant Ads

If anything references to OR Software belong to External Links section. But seeing as DEA is only partially related to OR this link is unnecessary and looks like an Ad to me. Therefore I removed it. Karina.l.k 19:43, 14 March 2007 (UTC)