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本文研究了能源效率对中国经济增长的影响及其传导机制。文章采用投入导向的规模报酬不变的Malmquist-DEA生产率指数对中国能源效率进行测算,在此基础上,基于1993—2011年中国29省(市、区)的面板数据,实证检验了能源效率对中国经济增长的影响。研究结果表明,提高能源效率有利于促进中国经济增长,且进一步的分析发现,能源效率通过提高人力资本积累、对外贸易和创新水平间接促进了中国经济增长。这表明能源效率影响经济增长的作用机理在于人力资本积累、对外贸易和创新三个方面,其中创新是能源效率影响经济增长的最重要传导渠道。
This paper studies the impact of energy efficiency on China’s economic growth and its transmission mechanism. Based on the input-oriented Malmquist-DEA productivity index with constant returns to scale, China’s energy efficiency is measured. Based on the panel data of 29 provinces (cities and districts) in China from 1993 to 2011, the paper empirically tests the energy efficiency The impact of China’s economic growth. The results show that improving energy efficiency is conducive to promoting economic growth in China. Further analysis shows that energy efficiency indirectly enhances China’s economic growth by boosting the accumulation of human capital. This shows that the mechanism of energy efficiency affecting economic growth lies in three aspects: human capital accumulation, foreign trade and innovation, of which innovation is the most important transmission channel through which energy efficiency affects economic growth.