On selecting directions for directional distance functions in a non-parametric framework: a review

Ke Wang, Yujiao Xian, Chia-Yen Lee, Yi Ming Wei, Zhimin Huang

Research output: Contribution to journalReview article

8 Citations (Scopus)

Abstract

Directional distance function (DDF) has been a commonly used technique for estimating efficiency and productivity over the past two decades, and the directional vector is usually predetermined in the applications of DDF. The most critical issue of using DDF remains that how to appropriately project the inefficient decision-making unit onto the production frontier along with a justified direction. This paper provides a comprehensive literature review on the techniques for selecting directional vector of the directional distance function. It begins with a brief introduction of the existing methods around the inclusion of the exogenous direction techniques and the endogenous direction techniques. The former commonly includes arbitrary direction and conditional direction techniques, while the latter involves the techniques for seeking theoretically optimized directions (i.e., direction towards the closest benchmark or indicating the largest efficiency improvement potential) and market-oriented directions (i.e., directions towards cost minimization, profit maximization, or marginal profit maximization benchmarks). The main advantages and disadvantages of these techniques are summarized, and the limitations inherent in the exogenous direction-selecting techniques are discussed. It also analytically argues the mechanism of each endogenous direction technique. The literature review is end up with a numerical example of efficiency estimation for power plants, in which most of the reviewed directions for DDF are demonstrated and their evaluation performance are compared.

Original languageEnglish
Pages (from-to)43-76
Number of pages34
JournalAnnals of Operations Research
Volume278
Issue number1-2
DOIs
Publication statusPublished - 2019 Jul 15

Fingerprint

Directional distance function
Benchmark
Literature review
Profit maximization
Power plant
Disadvantage
Performance evaluation
Cost minimization
Decision making units
Productivity
Inclusion
Production frontier

All Science Journal Classification (ASJC) codes

  • Decision Sciences(all)
  • Management Science and Operations Research

Cite this

Wang, Ke ; Xian, Yujiao ; Lee, Chia-Yen ; Wei, Yi Ming ; Huang, Zhimin. / On selecting directions for directional distance functions in a non-parametric framework : a review. In: Annals of Operations Research. 2019 ; Vol. 278, No. 1-2. pp. 43-76.
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On selecting directions for directional distance functions in a non-parametric framework : a review. / Wang, Ke; Xian, Yujiao; Lee, Chia-Yen; Wei, Yi Ming; Huang, Zhimin.

In: Annals of Operations Research, Vol. 278, No. 1-2, 15.07.2019, p. 43-76.

Research output: Contribution to journalReview article

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