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Estimation of technical inefficiency in panel data models with firm- and time-specific effects
Kumbhakar, Subal - In: Economics letters 36 (1991) 1, pp. 43-48
Persistent link: https://www.econbiz.de/10001104847
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Modelling technical and allocative inefficiency in a translog production function
Kumbhakar, Subal - In: Economics letters 31 (1989) 2, pp. 119-123
Persistent link: https://www.econbiz.de/10001078167
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Efficiency estimation using rotating panel data models
Kumbhakar, Subal - In: Economics letters 38 (1992) 2, pp. 169-174
Persistent link: https://www.econbiz.de/10001122955
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Production risk, technical efficiency, and panel data
Kumbhakar, Subal - In: Economics letters 41 (1993) 1, pp. 11-16
Persistent link: https://www.econbiz.de/10001144015
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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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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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A simple method to visualize results in nonlinear regression models
Henderson, Daniel J.; Kumbhakar, Subal; Parmeter, … - In: Economics letters 117 (2012) 3, pp. 578-581
Persistent link: https://www.econbiz.de/10009679148
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Productivity with general indices of management and technical change
Triebs, T. P.; Kumbhakar, Subal - In: Economics letters 120 (2013) 1, pp. 18-22
Persistent link: https://www.econbiz.de/10009760504
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Derivation of marginal effects of determinants of technical inefficiency
Kumbhakar, Subal; Sun, Kai - In: Economics letters 120 (2013) 2, pp. 249-253
Persistent link: https://www.econbiz.de/10010128323