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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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Estimation of portfolio efficiency via DEA
Liu, Wenbin; Zhou, Zhongbao; Liu, Debin; Xiao, Helu - In: Omega : the international journal of management science 52 (2015), pp. 107-118
Persistent link: https://www.econbiz.de/10010485943
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Increasing discrimination of DEA evaluation by utilizing distances to anti-efficient frontiers
Shen, Wan-fang; Zhang, Da-qun; Liu, Wenbin; Yang, Guo-liang - In: Computers & operations research : and their … 75 (2016), pp. 163-173
Persistent link: https://www.econbiz.de/10011545006
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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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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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Die Messung der Effizienz des Absatzkanals im Investitionsgüterbereich
Meng Wei - 1993
Persistent link: https://www.econbiz.de/10000920032