The Fast, the Slow, and the Congested: Urban Transportation in Rich and Poor Countries
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We assemble a new global database on motor vehicle travel speed in over 1,200 large cities in 152 countries. We then estimate comparable city-level indices of travel speed and congestion. Most of the variation in urban travel speed is across countries, not within. National income per capita explains
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美国国家经济研究局创建时间：
2023-09-01
