A note on the zero-sum gains data envelopment analysis model

Thanasis Bouzidis () and Giannis Karagiannis
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Thanasis Bouzidis: University of Macedonia

Operational Research, 2022, vol. 22, issue 3, No 4, 1737-1758

Abstract: Abstract In the case of the proportional output reduction strategy with a single output, the Variable-Returns-to-Scale (VRS) Zero-Sum Gains Data Envelopment Analysis (ZSG-DEA) efficiency scores can be obtained from the VRS conventional DEA efficiency scores by means of the Target’s Assessment Theorem (TAT). Using TAT as a departure point, two relations for computing the ZSG-DEA efficiency scores appear in the literature. Our objective in this note is to compare, contrast and challenge them on both theoretical and empirical grounds. For the latter, three different data sets are used.

Keywords: Output Interdependency; ZSG-DEA Efficiency; Conventional DEA Efficiency (search for similar items in EconPapers)
Date: 2022
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DOI: 10.1007/s12351-021-00631-8

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