Journal ArticleDOI
DEA Models for Extended Two-Stage Network Structures
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TLDR
Two models are proposed to evaluate the performance of this type general two-stage network structures where all outputs of the first stage are the only inputs to the second stage, and a non-cooperative model, in which one of the stages is regarded as the leader and the other is the follower.Abstract:
This chapter discusses DEA modeling technique for a two-stage network process where the inputs of the second stage include both the outputs from the first stage and additional inputs to the second stage. Two models are proposed to evaluate the performance of this type two-stage network structures. One is a non-linear centralized model whose global optimal solutions can be estimated using a heuristic search procedure. The other is a non-cooperative model, in which one of the stages is regarded as the leader and the other is the follower. The newly developed models are illustrated with a case of regional R&D of China.read more
Citations
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Book ChapterDOI
Network DEA Pitfalls: Divisional Efficiency and Frontier Projection
TL;DR: It is demonstrated that under general network structures, the multiplier and envelopment network DEA models are two different approaches and the envelopment model’s divisional efficiency may actually be the overall efficiency.
Journal ArticleDOI
Performance evaluation of two-stage network structures with fixed-sum outputs: An application to the 2018winter Olympic Games
TL;DR: The proposed two-stage DEA approach with fixed-sum final outputs for the Olympic Games shows that countries with high latitudes and a developed economy had much better efficiency and there are few DMUs whose efficiency in both stages is better than average.
Journal ArticleDOI
Economic growth and greenhouse gases in Europe: A non-radial multi-sector nonparametric production-frontier analysis
TL;DR: In this article, a non-radial multi-sector nonparametric production-frontier approach is presented for addressing the issue of energy use, which is consistent with previous works and in line with recent policy and regulation implementations.
Journal ArticleDOI
Developing a new chance constrained NDEA model to measure performance of sustainable supply chains
TL;DR: A new NDEA for performance evaluation of SSCM in the presence of stochastic data is developed that can evaluate the efficiency of SscM under uncertain conditions and a case study in the soft drinks industry is presented.
Journal ArticleDOI
Measuring efficiency with products, by-products and parent-offspring relations: A conditional two-stage DEA model ☆
TL;DR: In the current paper a DEA-type of methodology is developed to handle partial input to output impacts in the presence of by-products, which gives rise to a model that is referred to as conditional two-stage.
References
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Journal ArticleDOI
Measuring the efficiency of decision making units
TL;DR: A nonlinear (nonconvex) programming model provides a new definition of efficiency for use in evaluating activities of not-for-profit entities participating in public programs and methods for objectively determining weights by reference to the observational data for the multiple outputs and multiple inputs that characterize such programs.
BookDOI
Handbook on data envelopment analysis
TL;DR: In this article, the authors present DEA Software Tools and Technology: A State-of-the-Art Survey with DEA Estimators and their Applications in Data Envelopment Analysis.
Journal ArticleDOI
Efficiency and cross-efficiency in DEA: derivations, meanings and uses
John R. Doyle,Rodney H. Green +1 more
TL;DR: A neglected aspect of Data Envelopment Analysis: cross-efficiency is examined, and an intuitive understanding of cross- efficiency is ground in the concept of peer-appraisal, as opposed to self-appRAisal implied by simple efficiency.
Journal ArticleDOI
Efficiency decomposition in two-stage data envelopment analysis: an application to non-life insurance companies in taiwan
Chiang Kao,Shiuh-Nan Hwang +1 more
TL;DR: The relational model developed in this paper is more reliable in measuring the efficiencies and consequently is capable of identifying the causes of inefficiency more accurately.
Journal ArticleDOI
Network DEA: A slacks-based measure approach
Kaoru Tone,Miki Tsutsui +1 more
TL;DR: A slacks-based network DEA model is proposed, called Network SBM, that can deal with intermediate products formally and evaluate divisional efficiencies along with the overall efficiency of decision making units (DMUs).
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