Equivalent standard DEA models to provide super-efficiency scores

C. Lovell and A P B Rouse ()
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A P B Rouse: The University of Auckland

Journal of the Operational Research Society, 2003, vol. 54, issue 1, 101-108

Abstract: Abstract DEA super-efficiency models were introduced originally with the objective of providing a tie-breaking procedure for ranking units rated as efficient in conventional DEA models. This objective has been expanded to include sensitivity analysis, outlier identification and inter-temporal analysis. However, not all units rated as efficient in conventional DEA models have feasible solutions in DEA super-efficiency models. We propose a new super-efficiency model that (a) generates the same super-efficiency scores as conventional super-efficiency models for all units having a feasible solution under the latter, and (b) generates a feasible solution for all units not having a feasible solution under the latter. Empirical examples are provided to compare the two super-efficiency models.

Keywords: data envelopment analysis; super-efficiency (search for similar items in EconPapers)
Date: 2003
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Citations: View citations in EconPapers (49)

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DOI: 10.1057/palgrave.jors.2601483

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