Efficiency analysis in two-stage structures using fuzzy data envelopment analysis

Efficiency analysis in two-stage structures using fuzzy data envelopment analysis CEJOR https://doi.org/10.1007/s10100-018-0545-8 ORIGINAL PAPER Efficiency analysis in two-stage structures using fuzzy data envelopment analysis 1 3 Adel Hatami-Marbini · Saber Saati · Seyed Mojtaba Sajadi © Springer-Verlag GmbH Germany, part of Springer Nature 2018 Abstract Two-stage data envelopment analysis (TsDEA) models evaluate the perfor- mance of a set of production systems in which each system includes two operational stages. Taking into account the internal structures is commonly found in many sit- uations such as seller-buyer supply chain, health care provision and environmental management. Contrary to conventional DEA models as a black-box structure, TsDEA provides further insight into sources of inefficiencies and a more informative basis for performance evaluation. In addition, ignoring the qualitative and imprecise data leads to distorted evaluations, both for the subunits and the system efficiency. We present the fuzzy input and output-oriented TsDEA models to calculate the global and pure technical efficiencies of a system and sub-processes when some data are fuzzy. To this end, we propose a possibilistic programming problem and then convert it into a deter- ministic interval programming problem using the α-level based method. The proposed method preserves the link between two stages in the sense that the total efficiency of the system http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Central European Journal of Operations Research Springer Journals

Efficiency analysis in two-stage structures using fuzzy data envelopment analysis

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Publisher
Springer Berlin Heidelberg
Copyright
Copyright © 2018 by Springer-Verlag GmbH Germany, part of Springer Nature
Subject
Business and Management; Operations Research/Decision Theory
ISSN
1435-246X
eISSN
1613-9178
D.O.I.
10.1007/s10100-018-0545-8
Publisher site
See Article on Publisher Site

Abstract

CEJOR https://doi.org/10.1007/s10100-018-0545-8 ORIGINAL PAPER Efficiency analysis in two-stage structures using fuzzy data envelopment analysis 1 3 Adel Hatami-Marbini · Saber Saati · Seyed Mojtaba Sajadi © Springer-Verlag GmbH Germany, part of Springer Nature 2018 Abstract Two-stage data envelopment analysis (TsDEA) models evaluate the perfor- mance of a set of production systems in which each system includes two operational stages. Taking into account the internal structures is commonly found in many sit- uations such as seller-buyer supply chain, health care provision and environmental management. Contrary to conventional DEA models as a black-box structure, TsDEA provides further insight into sources of inefficiencies and a more informative basis for performance evaluation. In addition, ignoring the qualitative and imprecise data leads to distorted evaluations, both for the subunits and the system efficiency. We present the fuzzy input and output-oriented TsDEA models to calculate the global and pure technical efficiencies of a system and sub-processes when some data are fuzzy. To this end, we propose a possibilistic programming problem and then convert it into a deter- ministic interval programming problem using the α-level based method. The proposed method preserves the link between two stages in the sense that the total efficiency of the system

Journal

Central European Journal of Operations ResearchSpringer Journals

Published: Jun 5, 2018

References

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