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Impacts of high-speed railways on economic growth and disparity in China

机译：高速铁路对中国经济增长和差距的影响

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China's high-speed railways (HSRs) networks have dramatically expanded since 2008, which is widely believed to have promoted economic growth. This study empirically tests this hypothesis and analyses the impact of HSRs on economic disparity between 2002 and 2016 in China using a spatial econometric model. The results confirm the role of HSRs as a driving force in promoting local economic growth, although the spill-over effect is found to be insignificant. However, the cross-city analysis suggests there are heterogeneous effects of HSRs on economic growth. By dividing the sample into small-medium cities and large-mega cities, as well as least-developed, developing, and developed cities, this study finds that HSRs make a significant positive contribution to economic growth in large-mega cities and developed cities but has insignificant effects in other cities. The results indicate that HSRs can widen economic disparity in China. Our findings not only advance the understanding of the role of HSRs in promoting China's economic growth but also provide insights for planning future HSR networks. This study concludes that each city should reasonably plan its HSR network to promote economic growth and reduce economic disparity by accounting for different resource endowments, especially geographic and population factors.
机译：自2008年以来，中国的高速铁路（HSRS）网络已急剧扩大，这被广泛认为促进了经济增长。本研究经验测试了这一假设，并分析了利用空间计量计量模型在中国2002年至2016年2002年至2016年的经济差异的影响。结果证实了HSRS作为促进当地经济增长方面的驱动力的作用，尽管发现溢出效应是微不足道的。然而，交通城分析表明，HSR对经济增长存在异质影响。通过将样品分成中小型城市和大型城市，以及最不发达，发展和发达的城市，该研究发现，HSRS对大型城市和发达城市的经济增长作出了重大积极贡献，但对其他城市的影响微不足道。结果表明，HSRS可以扩大中国的经济差异。我们的调查结果不仅推动了对HSR在促进中国经济增长方面的作用的理解，还为规划未来的HSR网络提供了见解。这项研究总结，每个城市都应该合理地规划其储备金网络，以促进经济增长，并通过核算不同的资源禀赋，特别是地理和人口因素来降低经济差异。

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