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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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Income and democracy : a semiparametric approach
Zhao, Shunan; Sun, Yiguo; Kumbhakar, Subal - In: Econometric reviews 41 (2022) 9, pp. 1113-1140
Persistent link: https://www.econbiz.de/10013364946
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The GMM estimation of semiparametric spatial stochastic frontier models
Hou, Zhezhi; Zhao, Shunan; Kumbhakar, Subal - In: European journal of operational research : EJOR 305 (2023) 3, pp. 1450-1464
Persistent link: https://www.econbiz.de/10013499048