A note on two-stage network DEA model: Frontier projection and duality.

European Journal of Operational Research（2016）

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摘要

•We show the duality in the standard DEA well migrates to the two-stage network DEA.•Formulas are developed to obtain frontier projections and divisional efficiency scores.•The case of Taiwanese non-life insurance companies is revisited by the new approach.

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关键词

Data envelopment analysis (DEA),Efficiency,Duality,Two-stage,Frontier projection

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