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Slack free MEA and RDM with comprehensive efficiency measures
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Asmild, Mette and Pastor, Jesus T.. (2010) Slack free MEA and RDM with comprehensive efficiency measures. Omega, Vol.38 (No.6). pp. 475-483. ISSN 0305-0483
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Official URL: http://dx.doi.org/10.1016/j.omega.2009.12.004
Abstract
This paper extends two directional distance function models, the Multi-directional Efficiency Analysis (MEA) Model and the Range Directional Model (RDM), in order to account for any type of technical inefficiency, i.e. both directional and non-directional inefficiencies. We first focus on the variable returns to scale (VRS) case, because both VRS-MEA and RDM are translation invariant models, which mean that both models are able to deal with negative data. Our main result is the definition of a new comprehensive efficiency measure which is units invariant and translation invariant and covers both models. Secondly, we introduce the RDM model under constant returns to scale (CRS) together with a new comprehensive efficiency measure. (C) 2009 Elsevier Ltd. All rights reserved.
| Item Type: | Journal Article |
|---|---|
| Subjects: | H Social Sciences > HD Industries. Land use. Labor > HD28 Management. Industrial Management |
| Divisions: | Faculty of Social Sciences > Warwick Business School |
| Journal or Publication Title: | Omega |
| Publisher: | Pergamon |
| ISSN: | 0305-0483 |
| Date: | December 2010 |
| Volume: | Vol.38 |
| Number: | No.6 |
| Number of Pages: | 9 |
| Page Range: | pp. 475-483 |
| Identification Number: | 10.1016/j.omega.2009.12.004 |
| Status: | Peer Reviewed |
| Publication Status: | Published |
| Access rights to Published version: | Restricted or Subscription Access |
| Funder: | Spanish Ministry of Science and Education |
| Grant number: | MTM2004-07473, MTM 2009-10479 |
| URI: | http://wrap.warwick.ac.uk/id/eprint/5764 |
Data sourced from Thomson Reuters' Web of Knowledge
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