Place-Based Interventions at Scale: The Direct and Spillover Effects of Policing and City Services on Crime
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Cities target police patrols and public services to control crime. What are the direct and spillover effects of such targeted state services? In 2016 the city of Bogot, Colombia, experimented on an unprecedented scale. They randomly assigned 1,919 streets to either 8 months of doubled police patrols
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美国国家经济研究局创建时间：
2017-10-01
