FINDING THE REFERENCE SET OF A DECISION MAKING UNIT

G. R. Jahanshahloo, A. Shirzadi () and S. M. Mirdehghan ()
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G. R. Jahanshahloo: Faculty of Mathematical Science and Computer Engineering, Tarbiat Moallem University, Tehran, Iran
A. Shirzadi: Department of Mathematics, Imam Khomeini International University, Qazvin, Iran
S. M. Mirdehghan: Faculty of Mathematical Science and Computer Engineering, Tarbiat Moallem University, Tehran, Iran

Asia-Pacific Journal of Operational Research (APJOR), 2008, vol. 25, issue 04, 563-573

Abstract: In this paper we propose a method for finding the reference set of a decision making unit (DMU), without chasing down all alternative optimal solutions of the envelopment form, which is a strong degenerate problem. The reference set is useful as a benchmark for an inefficient DMU, for identifying the status of returns to scale, ranking of DMUs and so on. Lastly, numerical examples are shown to illustrate our proposed approach.

Keywords: Data envelopment analysis; reference set (search for similar items in EconPapers)
Date: 2008
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Citations: View citations in EconPapers (4)

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DOI: 10.1142/S0217595908001869

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