Dynamic Evaluation and Comparative Study on Sustainable Development Efficiency of Beijing-Tianjin-Hebei Cities——Based on the Super Efficiency CCR-DEA Model and the Malmquist Index
He Yan,Zhao Hong
Dynamic Evaluation and Comparative Study on Sustainable Development Efficiency of Beijing-Tianjin-Hebei Cities——Based on the Super Efficiency CCR-DEA Model and the Malmquist Index
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