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On the identification of the global reference set in data envelopment analysis
Mehdiloozad, Mahmood; Mirdehghan, S. Morteza; Sahoo, … - In: European journal of operational research : EJOR 245 (2015) 3, pp. 779-788
Persistent link: https://www.econbiz.de/10011312116
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A generalized multiplicative directional distance function for efficiency measurement in DEA
Mehdiloozad, Mahmood; Sahoo, Biresh K.; Roshdi, Israfil - In: European journal of operational research : EJOR 232 (2014) 3, pp. 679-688
Persistent link: https://www.econbiz.de/10010224948
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Cost, revenue and profit efficiency measurement in DEA : a directional distance function approach
Sahoo, Biresh K.; Mehdiloozad, Mahmood; Toe, Kaoru - In: European journal of operational research : EJOR 237 (2014) 3, pp. 921-931
Persistent link: https://www.econbiz.de/10010384667
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Stochastic frontier models with time-varying conditional variances
Tsionas, Efthymios G.; Kumbhakar, Subal - In: European journal of operational research : EJOR 292 (2021) 3, pp. 1115-1132
Persistent link: https://www.econbiz.de/10012502428
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Determinants of allocative and technical inefficiency in stochastic frontier models : an analysis of Norwegian electricity distribution firms
Musau, Andrew; Kumbhakar, Subal; Mydland, Ørjan; Lien, … - In: European journal of operational research : EJOR 288 (2021) 3, pp. 983-991
Persistent link: https://www.econbiz.de/10012387446
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Identification of congestion in data envelopment analysis under the occurrence of multiple projections : a reliable method capable of dealing with negative data
Mehdiloozad, Mahmood; Zhu, Joe; Sahoo, Biresh K. - In: European journal of operational research : EJOR 265 (2018) 2, pp. 644-654
Persistent link: https://www.econbiz.de/10011811474
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Nonparametric production technologies with weakly disposable inputs
Mehdiloozad, Mahmood; Podinovski, Victor V. - In: European journal of operational research : EJOR 266 (2018) 1, pp. 247-258
Persistent link: https://www.econbiz.de/10011811666
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Panel data stochastic frontier model with determinants of persistent and transient inefficiency
Lai, Hung-pin; Kumbhakar, Subal - In: European journal of operational research : EJOR 271 (2018) 2, pp. 746-755
Persistent link: https://www.econbiz.de/10011890405
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An internally consistent approach to the estimation of market power and cost efficiency with an application to U.S. banking
Tsionas, Efthymios G.; Malikov, Emir; Kumbhakar, Subal - In: European journal of operational research : EJOR 270 (2018) 2, pp. 747-760
Persistent link: https://www.econbiz.de/10011869442
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The GMM estimation of semiparametric spatial stochastic frontier models
Hou, Zhezhi; Zhao, Shunan; Kumbhakar, Subal - In: European journal of operational research : EJOR 305 (2023) 3, pp. 1450-1464
Persistent link: https://www.econbiz.de/10013499048