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基于生产理论的非参数DEA方法,探讨了区域能源效率评价问题。选取天津市1990年到2010年数据进行测度,发现天津市能源效率总体呈现先下降后上升的趋势,转折点出现在1995年。使用审查回归模型(TOBIT)对该效率的影响因素进行分析,发现产业结构、技术进步、政府对经济的影响力、对外开放程度等因素都对天津市能源效率的提升有显著正向影响,而制度因素影响并不显著。进一步分析了区域发展中提升能源效率的途径。
Based on the nonparametric DEA method of production theory, the regional energy efficiency evaluation is discussed. The data of Tianjin from 1990 to 2010 are selected and measured. It is found that energy efficiency in Tianjin shows an overall trend of first increasing and then rising. The turning point appeared in 1995. Using the TOBIT to analyze the influencing factors of this efficiency, we found that the factors such as industrial structure, technological progress, government’s influence on the economy and the degree of opening to the outside world have a significant positive impact on the energy efficiency in Tianjin The impact of institutional factors is not significant. Further analyzed the ways of improving energy efficiency in regional development.