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在传统DEA模型基础上,重点考虑电能投入约束,构造了基于电能节约的CCR-Ie和CCR-Oe模型;根据第二次全国经济普查中合肥市规上工业企业普查数据,以所属的32个行业为研究对象,采用CCR、BCC、CCR-Ie和CCR-Oe四种DEA模型,多角度分析行业电能投入产出效率,得出了技术效率、规模效益、电能利用效率、潜在电能可节约量和主营业务收入可增加量的分析结论。
Based on the traditional DEA model, the CCR-Ie and CCR-Oe models based on electric energy saving are mainly considered considering the input constraints of electric energy. According to the data of Census of Industrial Enterprises in Hefei on the Second National Economic Census, Industry as the research object, using four kinds of DEA models of CCR, BCC, CCR-Ie and CCR-Oe to analyze the input-output efficiency of the industry from multiple perspectives, and obtained the technical efficiency, economies of scale, power utilization efficiency, potential energy savings And the main business income can increase the amount of analysis of conclusions.