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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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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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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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On the equivalence of two normalizations in estimating shadow cost functions
Kumbhakar, Subal; Karagiannēs, Giannēs - In: Economics letters 82 (2004) 1, pp. 15-19
Persistent link: https://www.econbiz.de/10001877371
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Estimation of growth convergence using a stochastic production frontier approach
Kumbhakar, Subal; Wang, Hung-jen - In: Economics letters 88 (2005) 3, pp. 300-305
Persistent link: https://www.econbiz.de/10003035327
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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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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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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
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Semiparametric smooth-coefficient stochastic frontier model
Sun, Kai; Kumbhakar, Subal - In: Economics letters 120 (2013) 2, pp. 305-309
Persistent link: https://www.econbiz.de/10010128931