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基于长江经济带沿线城市2000-2014年的面板数据,分析开放经济背景下能源消费对经济增长的动态影响及其作用机制;同时比较其在长江三角洲城市群、长江中游城市群和成渝城市群直接差异发现:能源消费和对外开放均是推动长江经济带经济增长的重要因素,且能源消费对经济增长的促进作用在长江中游城市群最大,成渝城市群次之,长三角城市群的影响最小。对外贸易和FDI对经济增长的直接作用在长三角城市群显著,在长江中游城市群和成渝城市群中则不显著;对外贸易通过提高能源效率间接促进经济增长的效应也只在开放程度相对较高的长三角城市群显著。
Based on the panel data of cities along the Yangtze River economic belt from 2000 to 2014, this paper analyzes the dynamic impact of energy consumption on economic growth and its mechanism under the background of open economy. At the same time, it compares the dynamic effects of energy consumption on economic growth in the Yangtze River Delta urban agglomeration, The direct difference shows that both energy consumption and opening to the outside world are important factors in promoting the economic growth of the Yangtze River economic belt. The promotion effect of energy consumption on economic growth is the largest among urban agglomerations in the middle reaches of the Yangtze River, followed by the urban agglomerations of Chengdu and Chongqing and the influence of urban agglomerations in the Yangtze River Delta Min. The direct effect of foreign trade and FDI on economic growth is significant in the urban agglomeration of the Yangtze River Delta, but not significant in the urban agglomerations of the middle reaches of the Yangtze River and Chengdu-Chongqing urban agglomerations; the effect of foreign trade in indirectly promoting economic growth through energy efficiency is only relatively open The higher Yangtze River Delta city group significantly.