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The effect of government highway spending on road users' congestion costs

机译:政府公路支出对道路使用者拥堵成本的影响

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摘要

Policymakers attempt to reduce the growth of congestion by spending billions of dollars annually on our road system. We evaluate this policy by estimating the determinants of congestion costs for motorists, trucking operations, and shipping firms. We find that, on average, one dollar of highway spending in a given year reduces the congestion costs to road users only eleven cents in that year. We also find that even if the allocation of spending were optimized to minimize congestion costs that it still is not a cost-effective way to reduce congestion. We conclude the evidence strengthens the case for road pricing.
机译:决策者试图通过每年在我们的道路系统上花费数十亿美元来减少拥堵的增长。我们通过估算驾驶员,卡车运输和船运公司拥堵成本的决定因素来评估此政策。我们发现,平均而言,在特定年份中,一美元的高速公路支出可减少该年道路使用者的拥堵成本,仅为11美分。我们还发现,即使优化支出分配以最大程度地减少交通拥堵成本,也仍然不是减少拥堵的经济有效方式。我们得出结论,证据加强了道路定价的依据。

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