A Complete Efficiency Ranking of Decision Making Units in Data Envelopment Analysis |
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| Authors: | Saeid Mehrabian Mohammad R Alirezaee Gholam R Jahanshahloo |
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| Institution: | (1) Department of Mathematics, University for Teacher Education, Tehran, Iran |
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| Abstract: | The efficiency measures provided by DEA can be used for ranking Decision Making Units (DMUs), however, this ranking procedure does not yield relative rankings for those units with 100% efficiency. Andersen and Petersen have proposed a modified efficiency measure for efficient units which can be used for ranking, but this ranking breaks down in some cases, and can be unstable when one of the DMUs has a relatively small value for some of its inputs. This paper proposes an alternative efficiency measure, based on a different optimization problem that removes the difficulties. |
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| Keywords: | data envelopment analysis efficiency ranking |
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