Robustness of Efficiency Scores in Data Envelopment Analysis with Interval Scale Data

Abstract

Our paper focuses on a robustness analysis of efficiency scores in the context of Data Envelopment Analysis (DEA) assuming interval scale data, as defined in A. Dehnokhalaji, P. J. Korhonen, M. Köksalan, N. Nasrabadi and J. Wallenius, “Efficiency Analysis to incorporate interval scale data”, European Journal of Operational Research 207 (2), 2010, pp. 1116–1121. We first show that the definition of the efficiency score used in our paper is a well-defined measure according to Aparicio and Pastor (J. Aparicio and J. T. Pastor, “A well-defined efficiency measure for dealing with closest targets in DEA”, Applied Mathematics and Computation 219 (17), 2013, pp. 9142–9154.). Next, we characterize how robust the efficiency scores are with respect to improvements and deteriorations of inputs and outputs. We illustrate our analysis with two examples: a simple numerical example and a more complex example using real-world data.

Publication DOI: https://doi.org/10.1016/j.ejor.2021.06.049
Divisions: College of Business and Social Sciences > Aston Business School > Operations & Information Management
College of Business and Social Sciences > Aston Business School
Additional Information: ©2021 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY license
Uncontrolled Keywords: Robustness and sensitivity analysis,stability,interval scale data,DEA,efficiency measure,Interval scale data,Stability,Efficiency measure,Information Systems and Management,Computer Science(all),Modelling and Simulation,Management Science and Operations Research
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Related URLs: https://linking ... 377221721005658 (Publisher URL)
http://www.scop ... tnerID=8YFLogxK (Scopus URL)
PURE Output Type: Article
Published Date: 2021-06-29
Published Online Date: 2021-06-29
Accepted Date: 2021-06-22
Authors: Nasrabadi, Nasim
Dehnokhalaji, Akram (ORCID Profile 0000-0002-2751-0719)
Korhonen, Pekka
Lokman, Banu
Wallenius, Jyrki

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