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

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• 作者：Kristiaan Kerstens ; Ignace Van de Woestyne
• 关键词：Data envelopment analysis ; Negative data ; Proportional interpretation
• 刊名：European Journal of Operational Research
• 出版年：1 April, 2014
• 年：2014
• 卷：234
• 期：1
• 页码：341-342
• 全文大小：237 K

文摘

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.