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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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Energy and CO2 emission performance in electricity generation : a non-radial directional distance function approach
Zhou, P.; Ang, Beng-wah; Wang, H. - In: European journal of operational research : EJOR 221 (2012) 3, pp. 625-635
Persistent link: https://www.econbiz.de/10009563399
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Environmental efficiency and abatement efficiency measurements of China's thermal power industry : a data envelopment analysis based materials balance approach
Wang, Ke; Wei, Yi-Ming; Huang, Zhimin - In: European journal of operational research : EJOR 269 (2018) 1, pp. 35-50
Persistent link: https://www.econbiz.de/10011864193
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Using stochastic frontier analysis to measure the impact of weather on the efficiency of electricity distribution businesses in developing economies
Anaya, Karim L.; Pollitt, Michael G. - In: European journal of operational research : EJOR 263 (2017) 3, pp. 1078-1094
Persistent link: https://www.econbiz.de/10011794527
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Assessing drivers of CO2 emissions in China's electricity sector : a metafrontier production-theoretical decomposition analysis
Wang, H.; Zhou, P.; Xie, Bai-Chen; Zhang, N. - In: European journal of operational research : EJOR 275 (2019) 3, pp. 1096-1107
Persistent link: https://www.econbiz.de/10011993664
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Limiting flexibility in nonparametric efficiency evaluations : an ex post k-centroid clustering approach
Afsharian, Mohsen; Bogetoft Pedersen, Peter - In: European journal of operational research : EJOR 311 (2023) 2, pp. 633-647
Persistent link: https://www.econbiz.de/10014336738
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Efficiency measurement for parallel production systems
Kao, Chiang - In: European journal of operational research : EJOR 196 (2009) 3, pp. 1107-1112
Persistent link: https://www.econbiz.de/10003825117
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Nonparametric measures of scale economies and capacity utilization : an application to US manufacturing
Ray, Subhash C. - In: European journal of operational research : EJOR 245 (2015) 2, pp. 602-611
Persistent link: https://www.econbiz.de/10011308961
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Impact of liquidity risk on variations in efficiency and productivity : a panel gamma simulated maximum likelihood estimation
Shaik, Saleem - In: European journal of operational research : EJOR 245 (2015) 2, pp. 463-469
Persistent link: https://www.econbiz.de/10011308990