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Notes on classifying inputs and outputs in data envelopment analysis: A comment

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  • Toloo, Mehdi

Abstract

Cook and Zhu (2007) introduced an innovative method to deal with flexible measures. Toloo (2009) found a computational problem in their approach and tackled this issue. Amirteimoori and Emrouznejad (2012) claimed that both Cook and Zhu (2007) and Toloo (2009) models overestimate the efficiency. In this response, we prove that their claim is incorrect and there is no overestimate in these approaches.

Suggested Citation

  • Toloo, Mehdi, 2014. "Notes on classifying inputs and outputs in data envelopment analysis: A comment," European Journal of Operational Research, Elsevier, vol. 235(3), pages 810-812.
    • Handle: RePEc:eee:ejores:v:235:y:2014:i:3:p:810-812
    DOI: 10.1016/j.ejor.2014.01.010
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    References listed on IDEAS

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    1. Toloo, Mehdi, 2009. "On classifying inputs and outputs in DEA: A revised model," European Journal of Operational Research, Elsevier, vol. 198(1), pages 358-360, October.
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    Cited by:

    1. Sepideh Abolghasem & Mehdi Toloo & Santiago Amézquita, 2019. "Cross-efficiency evaluation in the presence of flexible measures with an application to healthcare systems," Health Care Management Science, Springer, vol. 22(3), pages 512-533, September.
    2. Toloo, Mehdi & Ebrahimi, Bohlool & Amin, Gholam R., 2021. "New data envelopment analysis models for classifying flexible measures: The role of non-Archimedean epsilon," European Journal of Operational Research, Elsevier, vol. 292(3), pages 1037-1050.
    3. Mehdi Toloo & Mona Barat, 2015. "On considering dual-role factor in supplier selection problem," Mathematical Methods of Operations Research, Springer;Gesellschaft für Operations Research (GOR);Nederlands Genootschap voor Besliskunde (NGB), vol. 82(1), pages 107-122, August.
    4. Tavana, Madjid & Izadikhah, Mohammad & Toloo, Mehdi & Roostaee, Razieh, 2021. "A new non-radial directional distance model for data envelopment analysis problems with negative and flexible measures," Omega, Elsevier, vol. 102(C).
    5. Dan Li & Yanfeng Li & Yeming Gong & Jiawei Yang, 2021. "Estimation of bank performance from multiple perspectives: an alternative solution to the deposit dilemma," Journal of Productivity Analysis, Springer, vol. 56(2), pages 151-170, December.
    6. Navas, Lina P. & Montes, Felipe & Abolghasem, Sepideh & Salas, Ricardo J. & Toloo, Mehdi & Zarama, Roberto, 2020. "Colombian higher education institutions evaluation," Socio-Economic Planning Sciences, Elsevier, vol. 71(C).
    7. Gabriel Villa & Sebastián Lozano, 2016. "DEA with non-monotonic variables. Application to EU governments’ macroeconomic efficiency," Journal of the Operational Research Society, Palgrave Macmillan;The OR Society, vol. 67(12), pages 1510-1523, December.

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    12. Tavana, Madjid & Izadikhah, Mohammad & Toloo, Mehdi & Roostaee, Razieh, 2021. "A new non-radial directional distance model for data envelopment analysis problems with negative and flexible measures," Omega, Elsevier, vol. 102(C).
    13. Sepideh Abolghasem & Mehdi Toloo & Santiago Amézquita, 2019. "Cross-efficiency evaluation in the presence of flexible measures with an application to healthcare systems," Health Care Management Science, Springer, vol. 22(3), pages 512-533, September.
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