Efficiency Analysis of Multi-Stage Systems in the Presence of Undesirable Outputs

  • Hanif Heidari School of Mathematics and Computer Sciences, Damghan University, Damghan, P.O. Box 36715-364, Iran
  • Rohollah Ramezani School of Mathematics and Computer Sciences, Damghan University, Damghan, P.O. Box 36715-364, Iran
  • Ali Jamali School of Mathematics and Computer Sciences, Damghan University, Damghan, P.O. Box 36715-364, Iran
Keywords: Network DEA, Undesirable Outputs, Intermediate Products, Scale efficiency, MPSS.

Abstract

Most traditional DEA models treat their reference technologies as black boxes. Moreover, they do not consider undesirable factors in the model. Lozano  present a DEA model that considers intermediate products. This paper extends Lozano  by assuming that there exist some undesirable outputs. A model is proposed to evaluate the performance of this type multistage systems. The proposed approach is applied to a number of case studies from the literature and compared with existing approaches.

References

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Published
2016-04-19
Section
Articles