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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. doi:10.1016/j.omega.2009.12.004 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 | ||||
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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 | ||||
Official Date: | December 2010 | ||||
Dates: |
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Volume: | Vol.38 | ||||
Number: | No.6 | ||||
Number of Pages: | 9 | ||||
Page Range: | pp. 475-483 | ||||
DOI: | 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 |
Data sourced from Thomson Reuters' Web of Knowledge
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