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Two-stage DEA models with undesirable input-intermediate-outputs

Liu, Wenbin; Zhou, Zhongbao; Ma, Chaoqun; Liu, Debin; … - In: Omega : the international journal of management science 56 (2015), pp. 74-87

Persistent link: https://www.econbiz.de/10011339740

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

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

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

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

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

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

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

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 - 2013

Adopting a profit-based approach to the estimation of the technical efficiency of South Korean banks, we systematically analyse, within a non-parametric DEA analysis, how the choice of risk management control variable impacts upon such estimates. Using the model of Liu et al. (2010), we examine...

Persistent link: https://www.econbiz.de/10013084961

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