Influence of Transportation Accessibility on Urban-rural Income Disparity and Its Spatial Heterogeneity

IF 3.4 2区 地球科学 Q2 ENVIRONMENTAL SCIENCES Chinese Geographical Science Pub Date : 2024-03-18 DOI:10.1007/s11769-024-1427-8
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Abstract

Transportation accessibility has been treated as an important means of reducing the urban-rural income disparity. However, only a few studies have examined the effects of different types of transportation accessibility on urban-rural income disparity and their spatial heterogeneity. Based on data from 285 prefecture-level (and above) Chinese cities in 2000, 2005, 2010, 2015, and 2020, this study uses spatial econometric models to examine how highway accessibility and railway accessibility influence the urban-rural income disparity and to identify their spatial heterogeneity. The result reveals that highway accessibility and railway accessibility have ‘coreperiphery’ ring-like circle structures. The urban-rural income disparity exhibits strong spatial clustering effects. Both highway accessibility and railway accessibility are negatively associated with urban-rural income disparity, and the former having a greater effect size. Moreover, there is a substitution effect between highway accessibility and railway accessibility in the whole sample. Furthermore, these associations differ in geographic regions. In the central region, highway accessibility is more important in reducing the urban-rural income disparity, but its effect is weakened with the increase of railway accessibility. In the western region, railway accessibility has a larger effect on narrowing the urban-rural income disparity, and this effect is strengthened by the increase of highway accessibility. We conclude that improving transportation accessibility is conducive to reducing the urban-rural income disparity but its effect is spatial heterogenetic. Highways and railways should be developed in a coordinated manner to promote an integrated transport network system.

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交通便利性对城乡收入差距及其空间异质性的影响
摘要 交通可达性一直被视为缩小城乡收入差距的重要手段。然而,只有少数研究考察了不同类型的交通可达性对城乡收入差距的影响及其空间异质性。本研究基于 2000 年、2005 年、2010 年、2015 年和 2020 年中国 285 个地级(及以上)城市的数据,利用空间计量经济模型考察了公路通达性和铁路通达性对城乡收入差距的影响,并识别了它们的空间异质性。研究结果表明,公路通达性和铁路通达性具有 "核心-外围 "的环状结构。城乡收入差距表现出强烈的空间集聚效应。公路通达性和铁路通达性均与城乡收入差距负相关,且前者的效应大小更大。此外,在整个样本中,公路可达性与铁路可达性之间存在替代效应。此外,这些关联因地理区域而异。在中部地区,公路通达性对缩小城乡收入差距更为重要,但随着铁路通达性的提高,其作用减弱。在西部地区,铁路通达性对缩小城乡收入差距的作用更大,而公路通达性的提高则加强了这一作用。我们的结论是,提高交通通达性有利于缩小城乡收入差距,但其效果具有空间异质性。公路和铁路应协调发展,以促进综合交通网络体系的形成。
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来源期刊
Chinese Geographical Science
Chinese Geographical Science 环境科学-环境科学
CiteScore
6.10
自引率
5.90%
发文量
63
审稿时长
3.0 months
期刊介绍: Chinese Geographical Science is an international journal, sponsored by Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, and published by Science Press, Beijing, China. Chinese Geographical Science is devoted to leading scientific and technological innovation in geography, serving development in China, and promoting international scientific exchange. The journal mainly covers physical geography and its sub-disciplines, human geography and its sub-disciplines, cartography, remote sensing, and geographic information systems. It pays close attention to the major issues the world is concerned with, such as the man-land relationship, population, resources, environment, globalization and regional development.
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