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首页> 美国卫生研究院文献>International Journal of Environmental Research and Public Health >City Centrality Migrants and Green Inovation Efficiency: Evidence from 106 Cities in the Yangtze River Economic Belt of China
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City Centrality Migrants and Green Inovation Efficiency: Evidence from 106 Cities in the Yangtze River Economic Belt of China

机译：城市中心移民与绿色创新效率：来自中国长江经济带106个城市的证据

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Based on the panel data of 106 cities in the Yangtze River Economic Belt of China from 2007 to 2016, this paper explores the impact of city centrality on the green innovation efficiency and proves the mediation effect of migrants by using spatial econometric model. The results show that there are more and more innovation contacts between cities, and the innovation network is becoming more and more dense. The core cities of the downstream innovation network are mainly Yangzhou, Zhenjiang, Wuxi, Changzhou, Suzhou and Hangzhou; the core cities in the midstream are mainly Wuhan, Changsha and Yichun; the core cities in the upstream are Chengdu and Bazhong. There is an inverted U-shaped relationship between city centrality and green innovation efficiency. In addition, the influence curve of city centrality on the green innovation efficiency of surrounding cities is also inverted U-shaped. Cities with high city centrality attract a large number of migrants that come from cities with lower centrality to improve the green innovation efficiency, but the green innovation efficiency of cities with low city centrality will decline due to lack of talents.
机译：基于中国长江经济带106个城市2007年至2016年的面板数据，探讨了城市中心化对绿色创新效率的影响，并通过空间计量经济学模型证明了移民的中介效应。结果表明，城市之间的创新联系越来越多，创新网络越来越密集。下游创新网络的核心城市主要是扬州，镇江，无锡，常州，苏州和杭州。中游的核心城市主要是武汉，长沙和宜春。上游的核心城市是成都和巴中。城市中心性与绿色创新效率之间存在倒U型关系。另外，城市中心性对周边城市绿色创新效率的影响曲线也呈倒U形。具有较高城市中心性的城市吸引了大量来自具有较低中心性城市的移民，以提高绿色创新效率，但由于缺乏人才，具有较低城市中心性城市的绿色创新效率将下降。

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