This paper explores the existence of multiple solutions in the ratio formulation of Data Envelopment Analysis, and the related problem of degeneracy in its envelope formulation. It is argued that the envelope formulation is inherently degenerate.
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Paper provided by University of Southampton - Department of Accounting and Management Science in its series Papers with number
01-171.
Length: 21 pages Date of creation: 2001 Date of revision: Handle: RePEc:fth:sotoam:01-171
Contact details of provider: Postal: University of Southampton, Department of Accounting & Mangement Science, Southampton S09 5NH UK. Phone: 44 0173 592537/592555 Fax: 44 0173 593858 Email: Web page: http://www.soton.ac.uk/~econweb/ More information through EDIRC