Using a group support system to aid input–output identification in data envelopment analysis

Using a group support system to aid input–output identification in data envelopment analysis

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Article ID: iaor20062955
Country: United Kingdom
Volume: 56
Issue: 12
Start Page Number: 1363
End Page Number: 1372
Publication Date: Dec 2005
Journal: Journal of the Operational Research Society
Authors: , ,
Keywords: artificial intelligence: decision support
Abstract:

In data envelopment analysis (DEA), operating units are compared on their outputs relative to their inputs. The identification of an appropriate input–output set is of decisive significance if assessment of the relative performance of the units is not to be biased. This paper reports on a novel approach used for identifying a suitable input–output set for assessing central administrative services at universities. A computer-supported group support system was used with an advisory board to enable the analysts to extract information pertaining to the boundaries of the unit of assessment and the corresponding input–output variables. The approach provides for a more comprehensive and less inhibited discussion of input–output variables to inform the DEA model.

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