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A generalized panel data switching regression model
Malikov, Emir; Kumbhakar, Subal - In: Economics letters 124 (2014) 3, pp. 353-357
Persistent link: https://www.econbiz.de/10010495214
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Estimation of technical change : direct semi/nonparametric approaches
Kumbhakar, Subal; Li, Mingyang; Zhao, Shunan - In: Economics letters 199 (2021), pp. 1-6
Persistent link: https://www.econbiz.de/10012605934
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Estimation of a smooth coefficient zero-inefficiency panel stochastic frontier model : a semiparametric approach
Yao, Feng; Wang, Taining; Tian, Jinjing; Kumbhakar, Subal - In: Economics letters 166 (2018), pp. 25-30
Persistent link: https://www.econbiz.de/10012011913
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Do subsidies matter in productivity and profitability changes?
Kumbhakar, Subal; Li, Mingyang; Lien, Gudbrand - In: Economic modelling 123 (2023), pp. 1-24
Persistent link: https://www.econbiz.de/10014462529