Frontier projection and efficiency decomposition in two-stage processes with slacks-based measures
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- 作者：Ya Chena ; ychen10@mail.ustc.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Yongjun Lia ; lionli@ustc.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Liang Lianga ; c ; lliang@ustc.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Ahti Salob ; ahti.salo@aalto.fi" class="auth_mail" title="E-mail the corresponding author ; Huaqing Wud ; wuhuaqing@hfut.edu.cn" class="auth_mail" title="E-mail the corresponding author
- 关键词：Data envelopment analysis ; Two-stage ; Slacks-based measure ; Efficiency frontier ; Efficiency decomposition
- 刊名：European Journal of Operational Research
- 出版年：2016
- 出版时间：16 April 2016
- 年：2016
- 卷：250
- 期：2
- 页码：543-554
- 全文大小：465 K
文摘
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We propose the variable intermediate measures SBM model (VSBM) to evaluate the system efficiency of two-stage processes.
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We derive the efficient DEA frontier projection based on the VSBM model.
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We address the VSBM model on potential conflicts with respect to the intermediate measures.
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The system inefficiency is equivalent to the sum of inefficiencies of the two stages.
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We obtain efficiency decomposition of two-stage processes based on dual of the VSBM model.