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Tavassoli, M., Farzipoor Saen, R., Faramarzi, G. (2014). A new super-eciency model in the presence of both zero data and undesirable outputs. Scientia Iranica, 21(6), 2360-2367.
M. Tavassoli; R. Farzipoor Saen; G.R. Faramarzi. "A new super-eciency model in the presence of both zero data and undesirable outputs". Scientia Iranica, 21, 6, 2014, 2360-2367.
Tavassoli, M., Farzipoor Saen, R., Faramarzi, G. (2014). 'A new super-eciency model in the presence of both zero data and undesirable outputs', Scientia Iranica, 21(6), pp. 2360-2367.
Tavassoli, M., Farzipoor Saen, R., Faramarzi, G. A new super-eciency model in the presence of both zero data and undesirable outputs. Scientia Iranica, 2014; 21(6): 2360-2367.

A new super-eciency model in the presence of both zero data and undesirable outputs

Article 7, Volume 21, Issue 6, December 2014, Page 2360-2367  XML PDF (1296 K)
Authors
M. Tavassoli1; R. Farzipoor Saenorcid 1; G.R. Faramarzi2
1Department of Industrial Management, Faculty of Management and Accounting, Karaj Branch, Islamic Azad University, Karaj, P.O. Box 31485-313, Iran
2Young Researchers and Elite Club, Karaj Branch, Islamic Azad University, Karaj, Iran
Abstract
In 2013, Guo andWu (A complete ranking of DMUs with undesirable outputs using restrictions in DEA models", Mathematical and Computer Modeling, Vol. 58, Nos. 5-6, pp. 1102-1109) proposed a model for ranking Decision Making Units (DMUs) in the presence of undesirable outputs. In this paper, we show that their model can be infeasible when some of the input data are zero. We also extend the super-eciency model proposed by Lee and Zhu in 2012 (Super-eciency infeasibility and zero data in DEA", European Journal of Operational Research, Vol. 216, No. 2, pp. 429-433) in the presence of undesirable output. Our proposed model is feasible when input and/or output data are nonnegative. A numerical example addresses the applicability of the proposed model.
Keywords
Data envelopment analysis (DEA); Ranking; Maximal balance index; Infeasibility; Super-eciency; Undesirable outputs
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