A note on a variant of radial measure capable of dealing with negative inputs and outputs in DEA

Kristiaan Kerstens and Ignace Van de Woestyne

European Journal of Operational Research, 2014, vol. 234, issue 1, 341-342

Abstract: The recent contribution by Cheng et al. (2013) presents a variant of the traditional radial input- and output-oriented efficiency measures whereby original values are replaced with absolute values. This comment spells out that this article contains some imprecisions and therefore presents some further results.

Keywords: Data envelopment analysis; Negative data; Proportional interpretation (search for similar items in EconPapers)
Date: 2014
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Citations: View citations in EconPapers (9)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:ejores:v:234:y:2014:i:1:p:341-342

DOI: 10.1016/j.ejor.2013.10.067

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