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| 交通基础设施对合六区域协同发展的空间溢出效应 |
| Spatial Spillover Effects of Transportation Infrastructure Construction on the Coordinated Development of the Hefei-Lu"an Region |
| 投稿时间：2026-03-24 修订日期：2026-06-10 |
| DOI： |
| 中文关键词: 交通基础设施 区域协同发展 空间溢出效应 空间杜宾模型 |
| 英文关键词: Transportation infrastructure Coordinated regional development Spatial spillover effects Spatial Durbin model |
| 基金项目:安徽省自然资源科技项目(2022-k-3) |
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| 中文摘要: |
| 研究交通基础设施对区域协同发展的空间溢出效应,有助于探寻两者之间的本质联系,为区域协同发展提供科学依据。文章基于2013、2018、2023年3个年度合肥－六安(合六)地区16个区县的面板数据,运用空间杜宾模型考察交通基础设施提升对合六区域协同发展的空间溢出效应。研究表明:(1)2013—2023年合六协同发展水平总体呈上升趋势,前期增速较缓,后期发展迅速,并呈“东高西低”的不均衡空间格局；(2)交通基础设施建设水平与合六协同发展水平呈协同增长趋势,形成以裕安、蜀山为核心的放射状格局；(3)交通基础设施建设有效促进合六协同发展并产生显著的正向空间溢出,交通基础设施水平每提升1%,带动合六地区协同发展水平增长0.734%；(4)交通基础设施对要素市场的促进作用最为显著,产业经济领域次之,公共服务领域相对有限,且要素市场、公共服务均呈现出明显的间接效应(溢出效应)优于直接效应的特征。 |
| 英文摘要: |
| Investigating the spatial spillover effects of transportation infrastructure construction on regional coordinated development helps explore the intrinsic relationship between the two and provides a scientific basis for regional coordinated development. Based on panel data from 16 counties and districts in the Hefei-Lu"an (He-Liu) region for the years 2013, 2018, and 2023, this paper employs the Spatial Durbin Model (SDM) to examine the spatial spillover effects of transportation infrastructure improvements on the coordinated development of the region. The results indicate that:(1) From 2013 to 2023, the level of coordinated development in the He-Liu region exhibited an overall upward trend, characterized by slow growth in the early stage and rapid development in the later stage, forming an unbalanced spatial pattern that is "higher in the east and lower in the west".(2) The development level of transportation infrastructure and the level of regional coordinated development showed a trend of synergistic growth, forming a radial spatial pattern centered on Yu"an and Shushan.(3) Transportation infrastructure construction effectively promotes coordinated development in the He-Liu region and generates significant positive spatial spillover effects; specifically, a 1% improvement in the transportation infrastructure level leads to a 0.734% increase in the regional coordinated development level.(4) The promoting effect of transportation infrastructure is strongest on factor markets, followed by the industrial economy, while its impact on public services is relatively limited; furthermore, across all these dimensions, the indirect effects (spillover effects) significantly outweigh the direct effects. |
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