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A non-convex metafrontier DEA model with natural and managerial disposability for pollutant tax levels and environmental efficiencies analysis
Zhou, Zhongbao; Sun, Wenting; Xiao, Helu; Jin, Qianying; … - In: Journal of the Operational Research Society 73 (2022) 10, pp. 2294-2308
Persistent link: https://www.econbiz.de/10013532446
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DEA frontier improvement and portfolio rebalancing : an application of China mutual funds on considering sustainability information disclosure
Zhou, Zhongbao; Xiao, Helu; Jin, Qianying; Liu, Wenbin - In: European journal of operational research : EJOR 269 (2018) 1, pp. 111-131
Persistent link: https://www.econbiz.de/10011864214
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Estimation of cardinality constrained portfolio efficiency via segmented DEA
Zhou, Zhongbao; Jin, Qianying; Xiao, Helu; Wu, Qian; … - In: Omega : the international journal of management science 76 (2018), pp. 28-37
Persistent link: https://www.econbiz.de/10011798977
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Parameter uncertainty in estimation of portfolio efficiency : evidence from an interval diversification-consistent DEA approach
Xiao, Helu; Ren, Tiantian; Zhou, Zhongbao; Liu, Wenbin - In: Omega : the international journal of management science 103 (2021), pp. 1-25
Persistent link: https://www.econbiz.de/10012581724
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Big data and portfolio optimization : a novel approach integrating DEA with multiple data sources
Zhou, Zhongbao; Gao, Meng; Xiao, Helu; Wang, Rui; Liu, … - In: Omega : the international journal of management science 104 (2021), pp. 1-16
Persistent link: https://www.econbiz.de/10012648558
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Estimation of portfolio efficiency in nonconvex settings : a free disposal hull estimator with non-increasing returns to scale
Xiao, Helu; Zhou, Zhongbao; Ren, Teng; Liu, Wenbin - In: Omega : the international journal of management science 111 (2022), pp. 1-16
Persistent link: https://www.econbiz.de/10013271740
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How relevant is the choice of risk management control variable to non-parametric bank profit efficiency analysis? : the case of South Korean banks
Simper, Richard; Hall, Maximilian; Liu, Wenbin; … - In: Novel theory and methodology developments in data …, (pp. 105-127). 2017
Persistent link: https://www.econbiz.de/10011647207
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DEA models with Russell measures
Shen, Wanfang; Yang, Guoliang; Zhou, Zhongbao; Liu, Wenbin - In: DEA and its applications in operations and data analytics, (pp. 337-359). 2019
Persistent link: https://www.econbiz.de/10012104514
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A data envelopment analysis model integrated with portfolio theory for energy mix adjustment : evidence in the power industry
Zeng, Ximei; Zhou, Zhongbao; Gong, Yeming; Liu, Wenbin - In: Socio-economic planning sciences : the international … 83 (2022), pp. 1-16
Persistent link: https://www.econbiz.de/10013363702
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Measuring the dynamic efficiency of socially responsible investment funds : evidence from dynamic network DEA with diversification
Xiao, Helu; Liu, Xin; Ren, Tiantian; Zhou, Zhongbao - In: INFOR : information systems and operational research 60 (2022) 4, pp. 531-557
Persistent link: https://www.econbiz.de/10013555556