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Estimation of profit functions when profit is not maximum
Kumbhakar, Subal - In: American journal of agricultural economics 83 (2001) 1, pp. 1-19
Persistent link: https://www.econbiz.de/10001633185
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Production frontiers and panel data : an application to U.S. class 1 railroads
Kumbhakar, Subal C. - In: Journal of business & economic statistics : JBES ; a … 5 (1987) 2, pp. 249-255
Persistent link: https://www.econbiz.de/10003611200
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When, where and how to estimate persistent and transient efficiency in stochastic frontier panel data models
Badunkenko, Oleg; Kumbhakar, Subal - In: European journal of operational research : EJOR 255 (2016) 1, pp. 272-287
Persistent link: https://www.econbiz.de/10011530868
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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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Varying coefficient panel data model in the presence of endogenous selectivity and fixed effects
Malikov, Emir; Kumbhakar, Subal; Sun, Yiguo - In: Journal of econometrics 190 (2016) 2, pp. 233-251
Persistent link: https://www.econbiz.de/10011592260
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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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Semiparametric smooth coefficient stochastic frontier model with panel data
Yao, Feng; Zhang, Fan; Kumbhakar, Subal - In: Journal of business & economic statistics : JBES ; a … 37 (2019) 3, pp. 556-572
Persistent link: https://www.econbiz.de/10012178196
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Endogeneity, heterogeneity, and determinants of inefficiency in Norwegian crop-producing farms
Lien, Gudbrand; Kumbhakar, Subal; Alem, Habtamu - In: International journal of production economics 201 (2018), pp. 53-61
Persistent link: https://www.econbiz.de/10011870130
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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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Efficiency measurement using a latent class stochastic frontier model
Orea, Luis; Kumbhakar, Subal - In: Empirical economics : a journal of the Institute for … 29 (2004) 1, pp. 169-183
Persistent link: https://www.econbiz.de/10001863298