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Profit efficiency : generalization, business accounting and the role of convexity
Färe, Rolf; Zelenyuk, Valentin - In: Economics letters 196 (2020), pp. 1-4
Persistent link: https://www.econbiz.de/10012510101
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Endogeneity in stochastic frontier models : Copula approach without external instruments
Tran, Kien; Tsionas, Efthymios G. - In: Economics letters 133 (2015), pp. 85-88
Persistent link: https://www.econbiz.de/10011432003
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Estimating technical efficiency in micro panels
Feng, Qu; Horrace, William C. - In: Economics letters 117 (2012) 3, pp. 730-733
Persistent link: https://www.econbiz.de/10009680743
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Comparison of stochastic frontier models using the Hyvärinen factor
Tsionas, Efthymios G. - In: Economics letters 202 (2021), pp. 1-5
Persistent link: https://www.econbiz.de/10012607224
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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
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Maximum likelihood estimation of the revenue function system with output-specific technical efficiency
Kumbhakar, Subal; Lai, Hung-pin - In: Economics letters 138 (2016), pp. 42-45
Persistent link: https://www.econbiz.de/10011615462
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Quantile stochastic frontier models with endogeneity
Tsionas, Efthymios G.; Assaf, A. Georges; … - In: Economics letters 188 (2020), pp. 1-5
Persistent link: https://www.econbiz.de/10012227857
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Directional technology distance functions through duality
Tsionas, Efthymios G. - In: Economics letters 190 (2020), pp. 1-5
Persistent link: https://www.econbiz.de/10012228175
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Inferring scope economies from the input distance function
Färe, Rolf; Karagiannēs, Giannēs - In: Economics letters 172 (2018), pp. 40-42
Persistent link: https://www.econbiz.de/10012022058
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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