How Much does COVID-19 Increase with Mobility? Evidence from New York and Four Other U.S. Cities
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How effective are restrictions on mobility in limiting COVID-19 spread? Using zip code data across five U.S. cities, we estimate that total cases per capita decrease by 20% for every ten percentage point fall in mobility. Addressing endogeneity concerns, we instrument for travel by residential
出行限制在遏制新冠病毒（COVID-19）传播方面的效果如何？本研究借助美国五个城市的邮政编码分区数据展开分析，估算结果显示：人员流动活跃度每降低10个百分点，人均新冠总病例数将下降20%。为解决内生性（endogeneity）问题，我们以居民出行作为工具变量进行处理
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美国国家经济研究局创建时间：
2020-07-01
