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An improvement on the Tracy and Chen model "A generalized model for weight rest...
M. Khalili; A. S. Camanho; M.C. A. S. Portela; M.R. AlirezaeeRecently Tracy and Chen presented a parametric DEA model (PDEA) to assess relative efficiency in the presence of a generalized form of linear weight restrictions. This paper proposes a modification to the PDEA model that avoids the need to resort to searching algorithms to estimate efficiency, and assures that the correct efficiency scores are obtained in a single stage using mathematical programming solvers. T...
Date: 2010
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Origin: Repositório Aberto da Universidade do Porto