Using a group support system to aid input-output identification in DEA

Casu, B.; Shaw, D. and Thanassoulis, E. (2005). Using a group support system to aid input-output identification in DEA. Journal of the Operational Research Society, 56 (12), pp. 1363-1372.

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. © 2005 Operational Research Society Ltd. All rights reserved.

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Uncontrolled Keywords: data envelopment analysis,efficiency measurement,group support systems,performance management,productivity analysis,Management of Technology and Innovation,Strategy and Management,Management Science and Operations Research

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