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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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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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Simultaneity bias in the analysis of perceived job insecurity and subjective well-being
Geishecker, Ingo - In: Economics letters 116 (2012) 3, pp. 319-321
Persistent link: https://www.econbiz.de/10009674400
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What drives trade-related R&D spillovers? Decomposing knowledge-diffusing trade flows
Bitzer, Jürgen; Geishecker, Ingo - In: Economics letters 93 (2006) 1, pp. 52-57
Persistent link: https://www.econbiz.de/10003380150
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Productivity spillovers through vertical linkages : evidence from 17 OECD countries
Bitzer, Jürgen; Geishecker, Ingo; Görg, Holger - In: Economics letters 99 (2008) 2, pp. 328-331
Persistent link: https://www.econbiz.de/10003723792
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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