On the denominator rule and a theorem by Janos Aczél

Rolf Färe and Giannis Karagiannis

European Journal of Operational Research, 2020, vol. 282, issue 1, 398-400

Abstract: In this note we compare and contrast arithmetic and geometric share-weighting aggregations of ratio expressions (i.e., relative scores) and we provide conditions under which they result in approximately the same value of the aggregate measure. We also provide some comparative empirical results about the differences among the suggested alternative aggregate measures.

Keywords: Data envelopment analysis; Efficiency scores; Arithmetic aggregation; Geometric aggregation (search for similar items in EconPapers)
Date: 2020
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Citations: View citations in EconPapers (5)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:ejores:v:282:y:2020:i:1:p:398-400

DOI: 10.1016/j.ejor.2019.09.013

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