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Dissections of input and output efficiency : a generalized stochastic frontier model
Kumbhakar, Subal; Tsionas, Efthymios G. - In: International journal of production economics 232 (2021), pp. 1-20
Persistent link: https://www.econbiz.de/10012495560
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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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Endogenous dynamic efficiency in the intertemporal optimization models of firm behavior
Tsionas, Efthymios G.; Malikov, Emir; Kumbhakar, Subal - In: European journal of operational research : EJOR 284 (2020) 1, pp. 313-324
Persistent link: https://www.econbiz.de/10012238677
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On the estimation of technical and allocative efficiency in a panel stochastic production frontier system model : some new formulations and generalizations
Kumbhakar, Subal; Tsionas, Efthymios G. - In: European journal of operational research : EJOR 287 (2020) 2, pp. 762-775
Persistent link: https://www.econbiz.de/10012293949
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Does labour regulation affect technical and allocative efficiency? : evidence from the banking industry
Mamatzakis, Emmanuel C.; Tsionas, Efthymios G.; … - In: Journal of banking & finance 61 (2015), pp. 84-98
Persistent link: https://www.econbiz.de/10011584294
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A cost system approach to the stochastic directional technology distance function with undesirable outputs : the case of US banks in 2001-2010
Malikov, Emir; Kumbhakar, Subal; Tsionas, Efthymios G. - In: Journal of applied econometrics 31 (2016) 7, pp. 1407-1429
Persistent link: https://www.econbiz.de/10011687551
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The good, the bad and the technology : endogeneity in environmental production models
Kumbhakar, Subal; Tsionas, Efthymios G. - In: Journal of econometrics 190 (2016) 2, pp. 315-327
Persistent link: https://www.econbiz.de/10011592270
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Estimation of costs of technical and allocative inefficiency
Kumbhakar, Subal; Tsionas, Efthymios G. - In: Journal of productivity analysis : an official journal … 55 (2021) 1, pp. 41-46
Persistent link: https://www.econbiz.de/10012488611
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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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Obituary of Mike Tsionas (1965-2024)
Kumbhakar, Subal; Mamatzakis, Emmanuel C.; Izzeldin, Marwan - In: European journal of operational research : EJOR 316 (2024) 1, pp. 2-4
Persistent link: https://www.econbiz.de/10014566250