Envelopment DEA Models

Joe Zhu ()
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Joe Zhu: Worcester Polytechnic Institute

Chapter 2 in Quantitative Models for Performance Evaluation and Benchmarking, 2014, pp 11-48 from Springer

Abstract: Abstract This chapter presents some basic DEA models that are used to determine the best-practice frontier characterized by (Sect. 1.1) in Chap. 1. These models are called envelopment models, because the identified best-practice frontier envelops all the observations (DMUs). The shapes of best-practice (or efficient) frontiers obtained from these models can be associated with the concept of Returns-to-Scale (RTS) which will be discussed in details in Chap. 13. This is because the best-practice (or efficient) frontiers can be viewed as exhibiting of various types of RTS. However, if the inputs and outputs are not related to a “production function”, RTS concept cannot be applied. Under such cases, RTS is merely used to refer to different shapes of frontiers.

Keywords: Data Envelopment Analysis (DEA); Envelopment Model; Efficiency Scores; DEAFrontier Software; Command Button (search for similar items in EconPapers)
Date: 2014
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DOI: 10.1007/978-3-319-06647-9_2

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