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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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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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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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A multi-output multi-input stochastic frontier system with input- and output-specific inefficiency
Kumbhakar, Subal; Lai, Hung-pin - In: Economics letters 201 (2021), pp. 1-5
Persistent link: https://www.econbiz.de/10012607098
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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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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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Endogeneity in panel data stochastic frontier model with determinants of persistent and transient inefficiency
Lai, Hung-pin; Kumbhakar, Subal - In: Economics letters 162 (2018), pp. 5-9
Persistent link: https://www.econbiz.de/10011939716
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Nonparametric estimates of the clean and dirty energy substitutability
Malikov, Emir; Sun, Kai; Kumbhakar, Subal - In: Economics letters 168 (2018), pp. 118-122
Persistent link: https://www.econbiz.de/10012016760
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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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Estimation of firm performance from a MIMIC model
Chaudhuri, Kausik; Kumbhakar, Subal; Sundaram, Lavanya - In: European journal of operational research : EJOR 255 (2016) 1, pp. 298-307
Persistent link: https://www.econbiz.de/10011530871