Traffic Congestion’s Economic Impacts: Evidence from US Metropolitan Regions

Traffic Congestion’s Economic Impacts: Evidence from US Metropolitan Regions
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交通拥堵的经济影响:来自美国大都市区的证据

DOI:
10.1177/0042098013505883
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发表时间:
2014
期刊:
影响因子:
4.7
通讯作者:
M. Sweet
M. Sweet
中科院分区:
经济学2区
文献类型:
--
作者:
M. Sweet

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缓解交通拥堵长期以来一直是一个共同的核心交通政策目标,但目前尚不清楚在何种情况下,这种城市生活的普遍副产品也会阻碍经济发展。这项研究使用了美国88个大都市统计区的面板数据,估计了拥堵对就业增长(1993年至2008年)和每个工人的生产率增长(2001年至2007年)的拖累。使用工具变量,结果表明,拥堵减缓就业增长超过阈值约4.5分钟的延迟每单向自动通勤和11,000平均每日交通(ADT)每车道平均在整个区域高速公路网络。虽然每条高速公路车道较高的ADT似乎会减缓生产率增长,但没有证据表明拥堵引起的出行延误会阻碍生产率增长。结果表明,严格的政策重点旅行时间的节省可能是错位的,相反,更好的前景管理拥堵的经济拖累在于优先考虑经济上最重要的行程(也许通过道路定价)或提供替代的旅行能力,使访问尽管拥堵。
Traffic congestion alleviation has long been a common core transport policy objective, but it remains unclear under which conditions this universal byproduct of urban life also impedes the economy. Using panel data for 88 US metropolitan statistical areas, this study estimates congestion’s drag on employment growth (1993 to 2008) and productivity growth per worker (2001 to 2007). Using instrumental variables, results suggest that congestion slows job growth above thresholds of approximately 4.5 minutes of delay per one-way auto commute and 11,000 average daily traffic (ADT) per lane on average across the regional freeway network. While higher ADT per freeway lane appears to slow productivity growth, there is no evidence of congestion-induced travel delay impeding productivity growth. Results suggest that the strict policy focus on travel time savings may be misplaced and, instead, better outlooks for managing congestion’s economic drag lie in prioritising the economically most important trips (perhaps through road pricing) or in providing alternative travel capacity to enable access despite congestion.
DOI: 10.1017/cbo9780511805660
发表时间: 2002-05
期刊: --
影响因子: --
作者:
Masahisa Fujita;Jacques-François Thisse
通讯作者: Masahisa Fujita;Jacques-François Thisse
DOI: 10.1086/257839
发表时间: 1956-01-01
影响因子: 8.2
作者:
TIEBOUT, CM
通讯作者: TIEBOUT, CM