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Estimation of productivity in Korean electric power plants : a semiparametric smooth coefficient model
Heshmati, Almas; Kumbhakar, Subal; Sun, Kai - 2013
This paper analyzes the impact of load factor, facility and generator types on the productivity of Korean electric …
Persistent link: https://www.econbiz.de/10009721346
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Disentangling costs of persistent and transient technical inefficiency and input misallocation : the case of Norwegian electricity distribution firms
Kumbhakar, Subal; Mydland, Orjan; Musau, Andrew; Lien, … - In: The energy journal 41 (2020) 3, pp. 143-160
Persistent link: https://www.econbiz.de/10012546594
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Stochastic frontier models with time-varying conditional variances
Tsionas, Efthymios G.; Kumbhakar, Subal - In: European journal of operational research : EJOR 292 (2021) 3, pp. 1115-1132
Persistent link: https://www.econbiz.de/10012502428
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Determinants of allocative and technical inefficiency in stochastic frontier models : an analysis of Norwegian electricity distribution firms
Musau, Andrew; Kumbhakar, Subal; Mydland, Ørjan; Lien, … - In: European journal of operational research : EJOR 288 (2021) 3, pp. 983-991
Persistent link: https://www.econbiz.de/10012387446
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Estimation of productivity in Korean electric power plants: A semiparametric smooth coefficient model
Heshmati, Almas; Kumbhakar, Subal; Sun, Kai - 2013
This paper analyzes the impact of load factor, facility and generator types on the productivity of Korean electric …
Persistent link: https://www.econbiz.de/10010293211
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Yardstick regulation of electricity distribution-disentangling short-run and long-run inefficiencies
Kumbhakar, Subal; Lien, Gudbrand - In: The energy journal 38 (2017) 5, pp. 17-37
Persistent link: https://www.econbiz.de/10011791797
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Bayesian approach to disentangling technical and environmental productivity
Malikov, Emir; Kumbhakar, Subal; Tsionas, Efthymios G. - In: Econometrics : open access journal 3 (2015) 2, pp. 443-465
the traditional (desirable-output-oriented) technical productivity and the undesirable-output-oriented environmental, or … so-called "green", productivity. To measure the latter, we derive a Solow-type Divisia environmental productivity index … which, unlike conventional productivity indices, allows crediting the ceteris paribus reduction in undesirable outputs. Our …
Persistent link: https://www.econbiz.de/10011297619
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Accounting for cross-location technological heterogeneity in the measurement of operations efficiency and productivity
Malikov, Emir; Zhang, Jingfang; Zhao, Shunan; … - In: Journal of operations management 68 (2022) 2, pp. 153-184
Persistent link: https://www.econbiz.de/10013166196
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Corporate R&D and firm efficiency : evidence from Europe's top R&D investors
Kumbhakar, Subal; Ortega-Argilés, Raquel; Potters, Lesley - 2010
by labour productivity. To this end, the stochastic frontier technique is used on a unique unbalanced longitudinal … firms. From a policy perspective, the results of this study suggest that - if the aim is to leverage firms' productivity … other hand, corporate R&D in the low-tech sector is found to have a minor effect in explaining productivity. Instead …
Persistent link: https://www.econbiz.de/10011981958
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Proxy variable estimation of productivity and efficiency
Tsionas, Efthymios G.; Kumbhakar, Subal - In: Southern economic journal 89 (2023) 3, pp. 885-923
Persistent link: https://www.econbiz.de/10014309037