Slack free MEA and RDM with comprehensive efficiency measures
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 0305-0483Full text not available from this repository.
Official URL: http://dx.doi.org/10.1016/j.omega.2009.12.004
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|
|Official Date:||December 2010|
|Number of Pages:||9|
|Page Range:||pp. 475-483|
|Access rights to Published version:||Restricted or Subscription Access|
|Funder:||Spanish Ministry of Science and Education|
|Grant number:||MTM2004-07473, MTM 2009-10479|
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