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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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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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Productivity spillovers and human capital : a semiparametric varying coefficient approach
Hou, Zhezhi; Jin, Man; Kumbhakar, Subal - In: European journal of operational research : EJOR 287 (2020) 1, pp. 317-330
Persistent link: https://www.econbiz.de/10012293803
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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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Economies of scale, technical change and persistent and time-varying cost efficiency in Indian banking : do ownership, regulation and heterogeneity matter?
Badunenko, Oleg; Kumbhakar, Subal - In: European journal of operational research : EJOR 260 (2017) 2, pp. 789-803
Persistent link: https://www.econbiz.de/10011699186
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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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Financial constraints and firm productivity : evidence from Chinese manufacturing
Jin, Man; Zhao, Shunan; Kumbhakar, Subal - In: European journal of operational research : EJOR 275 (2019) 3, pp. 1139-1156
Persistent link: https://www.econbiz.de/10011993675
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Do subsidies increase firm productivity? : evidence from Chinese manufacturing enterprises
Li, Mingyang; Jin, Man; Kumbhakar, Subal - In: European journal of operational research : EJOR 303 (2022) 1, pp. 388-400
Persistent link: https://www.econbiz.de/10013363924
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Decomposition of output, productivity and market structure changes
Huang, Minjie; Zhao, Shunan; Kumbhakar, Subal - In: European journal of operational research : EJOR 303 (2022) 1, pp. 422-437
Persistent link: https://www.econbiz.de/10013363928