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Title: Consistent weight restrictions in data envelopment analysis
Authors: Podinovski, Victor V.
Bouzdine-Chameeva, Tatiana
Keywords: Data envelopment analysis
Weight restrictions
Production trade-offs
Issue Date: 2014
Publisher: © Elsevier
Citation: PODINOVSKI, V.V. and BOUZDINE-CHAMEEVA, T., 2014. Consistent weight restrictions in data envelopment analysis. European Journal of Operational Research, 244 (1), pp.201–209
Abstract: It has recently been shown that the incorporation of weight restrictions in models of data envelopment analysis (DEA) may induce free or unlimited production of output vectors in the underlying production technology, which is expressly disallowed by standard production assumptions. This effect may either result in an infeasible multiplier model with weight restrictions or remain undetected by normal efficiency computations. The latter is potentially troubling because even if the efficiency scores appear unproblematic, they may still be assessed in an erroneous model of production technology. Two approaches to testing the existence of free and unlimited production have recently been developed: computational and analytical. While the latter is more straightforward than the former, its application is limited only to unlinked weight restrictions. In this paper we develop several new analytical conditions for a larger class of unlinked and linked weight restrictions.
Description: This paper was accepted for publication in the journal European Journal of Operational Research and the definitive published version is available at http://dx.doi.org/10.1016/j.ejor.2015.01.037.
Version: Accepted for publication
DOI: 10.1016/j.ejor.2015.01.037
URI: https://dspace.lboro.ac.uk/2134/18171
Publisher Link: http://dx.doi.org/10.1016/j.ejor.2015.01.037
ISSN: 0377-2217
Appears in Collections:Published Articles (Business)

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