【香樟推文2211】对小县城来说,靠近超级大城是一种怎样的体验--基于美国170年数据的统计分析
图片来源:推文作者摄于青岛
原文信息:David Cuberes, Klaus Desmet, Jordan Rappaport, Urban growth shadows, Journal of Urban Economics, Volume 123, 2021, 103334,
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推文作者简介
葛通 经济学博士,海信集团智慧城市研发部人工智能专家。研究方向为数据分析应用,城市知识图谱,关注城市研究。电子邮箱: Dr.Ge@qq.com
Abstract
Does a location’s growth benefit or suffer from being geographically close to large economic centers? Spatial proximity may lead to competition and hurt growth, but it may also improve market access and enhance growth. Using data on U.S. counties and metro areas for the period 1840–2017, we document this tradeoff between urban shadows and urban access. Proximity to large urban centers was negatively associated with growth between 1840 and 1920, and positively associated with growth after 1920. Using a two-city spatial model, we show that the secular evolution of inter-city and intra-city commuting costs can account for this. Alternatively, the long-run decline in inter-city shipping costs relative to intra-city commuting costs is also consistent with these observed patterns.
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