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Improving discrimination in data envelopment analysis: some practical suggestions

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Podinovski, Victor V. and Thanassoulis, Emmanuel (2007) Improving discrimination in data envelopment analysis: some practical suggestions. In: 12th International Integer Programming and Combinatorial Optimization Conference, Ithaca, NY, JUN 25-27, 2007. Published in: Journal of Productivity Analysis, Vol.28 (No.1-2). pp. 117-126. ISSN 0895-562X. doi:10.1007/s11123-007-0042-x

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Official URL: http://dx.doi.org/10.1007/s11123-007-0042-x

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Abstract

In some contexts data envelopment analysis (DEA) gives poor discrimination on the performance of units. While this may reflect genuine uniformity of performance between units, it may also reflect lack of sufficient observations or other factors limiting discrimination on performance between units. In this paper, we present an overview of the main approaches that can be used to improve the discrimination of DEA. This includes simple methods such as the aggregation of inputs or outputs, the use of longitudinal data, more advanced methods such as the use of weight restrictions, production trade-offs and unobserved units, and a relatively new method based on the use of selective proportionality between the inputs and outputs.

Item Type: Conference Item (Paper)
Subjects: H Social Sciences > HF Commerce
H Social Sciences > HC Economic History and Conditions
H Social Sciences
Divisions: Faculty of Social Sciences > Warwick Business School > Operations Management
Faculty of Social Sciences > Warwick Business School > Operational Research & Management Sciences
Journal or Publication Title: Journal of Productivity Analysis
Publisher: Springer New York LLC
ISSN: 0895-562X
Official Date: October 2007
Dates:
DateEvent
October 2007Published
Volume: Vol.28
Number: No.1-2
Number of Pages: 10
Page Range: pp. 117-126
DOI: 10.1007/s11123-007-0042-x
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Restricted or Subscription Access
Conference Paper Type: Paper
Title of Event: 12th International Integer Programming and Combinatorial Optimization Conference
Type of Event: Conference
Location of Event: Ithaca, NY
Date(s) of Event: JUN 25-27, 2007

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