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On classifying inputs and outputs in DEA: A revised model

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  • Toloo, Mehdi

Abstract

Cook and Zhu [Cook, W.D., Zhu, J., 2007. Classifying inputs and outputs in data envelopment analysis. European Journal of Operational Research 180, 692-699] introduced a new method to determine whether a measure is an input or an output. In practice, however, their method may produce incorrect efficiency scores due to a computational problem as result of introducing a large positive number to the model. This note introduces a revised model that does not need such a large positive number.

Suggested Citation

  • 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.
    • Handle: RePEc:eee:ejores:v:198:y:2009:i:1:p:358-360
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    References listed on IDEAS

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    1. Beasley, J. E., 1990. "Comparing university departments," Omega, Elsevier, vol. 18(2), pages 171-183.
    2. Cook, Wade D. & Zhu, Joe, 2007. "Classifying inputs and outputs in data envelopment analysis," European Journal of Operational Research, Elsevier, vol. 180(2), pages 692-699, July.
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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. G. Tohidi & F. Matroud, 2017. "A new non-oriented model for classifying flexible measures in DEA," Journal of the Operational Research Society, Palgrave Macmillan;The OR Society, vol. 68(9), pages 1019-1029, September.
    6. Sohrab Kordrostami & Soheila Seyedboveir & Behrouz Daneshian & Alireza Amirteimoori, 2018. "Efficiency measurement in dynamic two-stage network structures with flexible intermediate materials," Operations Research and Decisions, Wroclaw University of Science and Technology, Faculty of Management, vol. 28(3), pages 63-76.
    7. 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.
    8. Taylan G. Topcu & Konstantinos Triantis, 2022. "An ex-ante DEA method for representing contextual uncertainties and stakeholder risk preferences," Annals of Operations Research, Springer, vol. 309(1), pages 395-423, February.
    9. 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).
    10. Maryam Nematizadeh & Alireza Amirteimoori & Sohrab Kordrostami, 2019. "Performance analysis of two-stage network processes with feedback flows and undesirable factors," Operations Research and Decisions, Wroclaw University of Science and Technology, Faculty of Management, vol. 29(3), pages 51-66.
    11. 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.
    12. Mirhedayatian, Seyed Mostafa & Azadi, Majid & Farzipoor Saen, Reza, 2014. "A novel network data envelopment analysis model for evaluating green supply chain management," International Journal of Production Economics, Elsevier, vol. 147(PB), pages 544-554.
    13. 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.
    14. Mansour Zarrin, 2023. "A mixed-integer slacks-based measure data envelopment analysis for efficiency measuring of German university hospitals," Health Care Management Science, Springer, vol. 26(1), pages 138-160, March.
    15. R Farzipoor Saen, 2011. "Media selection in the presence of flexible factors and imprecise data," Journal of the Operational Research Society, Palgrave Macmillan;The OR Society, vol. 62(9), pages 1695-1703, September.
    16. Mehdi Toloo & Mona Barat & Atefeh Masoumzadeh, 2015. "Selective measures in data envelopment analysis," Annals of Operations Research, Springer, vol. 226(1), pages 623-642, March.

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