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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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Generalized estimation of productivity with multiple bad outputs : the importance of materials balance constraints
Atkinson, Scott Estes; Tsionas, Efthymios G. - In: European journal of operational research : EJOR 292 (2021) 3, pp. 1165-1186
Persistent link: https://www.econbiz.de/10012502432
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Bounded rationality and thick frontiers in stochastic frontier analysis
Tsionas, Efthymios G. - In: European journal of operational research : EJOR 284 (2020) 2, pp. 762-768
Persistent link: https://www.econbiz.de/10012238794
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A spatial stochastic frontier model with endogenous frontier and environmental variables
Kutlu, Levent; Tran, Kien C.; Tsionas, Efthymios G. - In: European journal of operational research : EJOR 286 (2020) 1, pp. 389-399
Persistent link: https://www.econbiz.de/10012240243
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A note on Sigma-Mu efficiency analysis as a methodology for evaluating units through composite indicators
Tsionas, Efthymios G. - In: European journal of operational research : EJOR 286 (2020) 3, pp. 1187-1196
Persistent link: https://www.econbiz.de/10012291636
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Microfoundations for stochastic frontiers
Tsionas, Efthymios G. - In: European journal of operational research : EJOR 258 (2017) 3, pp. 1165-1170
Persistent link: https://www.econbiz.de/10011644701
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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