长江经济带十大城市群内部城市间产业联系对经济产出影响研究——基于行业间投入产出引力模型方法

发布时间：2018-05-29 08:32

  本文选题：长江经济带 + 城市群　； 参考：《城市发展研究》2017年07期

【摘要】：长江经济带区域协同增长的关键在于明确沿江城市群内部城市间产业联系对其经济产出的影响。城市群内部城市间的产业联系会加强其间的知识溢出并分享超额利润,从而影响城市群的经济产出。分析城市群内部城市间产业联系对经济产出的影响机制,构建理论模型。针对传统引力模型的不足,采用行业间投入产出引力模型(IIG模型)估算了2001-2015年间长江经济带沿线城市群的产业联系,通过产业联系修正人力资本的有效性。采用非参数协方差矩阵估计方法验证了理论模型。分析结果表明,以传统引力模型估算产业联系时,无法验证产业联系对经济产出影响的正面作用,而使用IIG模型估算产业联系时则能验证,即验证了理论模型,也说明了IIG模型对引力模型改进的意义。
[Abstract]:The key to the coordinated growth of the Yangtze River economic belt lies in making clear the influence of the industrial relationship between cities in the urban agglomeration along the Yangtze River on its economic output. The industrial relationship between cities in urban agglomeration will strengthen the knowledge spillover and share the excess profit, which will affect the economic output of urban agglomeration. This paper analyzes the influence mechanism of industrial connection between cities in urban agglomeration on economic output, and constructs a theoretical model. Aiming at the shortage of traditional gravity model, the paper estimates the industrial linkage of urban agglomeration along the Yangtze Economic Belt from 2001 to 2015 by using the Input-Output Gravity Model (IIG), and modifies the effectiveness of human capital through industrial linkage. The nonparametric covariance matrix estimation method is used to verify the theoretical model. The results show that the positive effect of industrial linkages on economic output can not be verified by traditional gravity model, but the theoretical model can be verified by using IIG model to estimate industrial linkages. The significance of IIG model to the improvement of gravity model is also explained.
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本文编号：1950217