Microgeographic speed, reliability, and traffic externalities

IF 2.2 3区 工程技术 Q2 ECONOMICS
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引用次数: 0

Abstract

This paper estimates congestion externalities on a broad sample of roads in England’s capital region. A fixed effects approach that compares across times of day finds that 10% more traffic increases travel time by 4%, erodes reliability, and finds smallest marginal effects on high-capacity roads. I incorporate both expected travel time and reliability into a model of congestion externalities. Combining the model with travel data, I find that Central London’s Congestion Charge exceeds tolled drivers’ external costs if they only reflect travel time and reliability. Despite the large toll in London’s city centre, I find that deadweight loss in untolled parts of the city remains substantial, and that accounting for reliability increases deadweight loss by as much as 55%.

微地理速度、可靠性和交通外部性
本文对英格兰首都地区道路的广泛样本进行了拥堵外部性估算。采用固定效应法对一天中的不同时段进行比较后发现,交通流量增加 10%,旅行时间就会增加 4%,可靠性也会受到侵蚀,而对大容量道路的边际效应最小。我将预期旅行时间和可靠性都纳入了拥堵外部效应模型。将模型与出行数据相结合,我发现如果只反映出行时间和可靠性,伦敦市中心的拥堵费超过了收费司机的外部成本。尽管伦敦市中心的收费很高,但我发现城市中不收费地区的自重损失仍然很大,而考虑可靠性会使自重损失增加 55%。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
CiteScore
5.50
自引率
7.10%
发文量
19
审稿时长
69 days
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