Negative data in DEA:a directional distance approach applied to bank branches

Silva Portela, M.C.A.; Thanassoulis, E. and Simpson, G. Negative data in DEA:a directional distance approach applied to bank branches. Journal of the Operational Research Society, 55 (10), pp. 1111-1121.

Abstract

This paper is drawn from the use of data envelopment analysis (DEA) in helping a Portuguese bank to manage the performance of its branches. The bank wanted to set targets for the branches on such variables as growth in number of clients, growth in funds deposited and so on. Such variables can take positive and negative values but apart from some exceptions, traditional DEA models have hitherto been restricted to non-negative data. We report on the development of a model to handle unrestricted data in a DEA framework and illustrate the use of this model on data from the bank concerned.

DOI Identification Number: http://www.scopus.com/inward/record.url?scp=5444254532&partnerID=8YFLogxK
Divisions: ASTON EPrints organisational structure > Schools_of_Study > Aston Business School > Operations & Information Mgmt (ABS)
Uncontrolled Keywords: bank branches,data envelopment analysis,negative data in DEA,Management of Technology and Innovation,Strategy and Management,Management Science and Operations Research

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