In 2016 the city of Bogotá doubled police patrols and intensified city services on high-crime streets. They did so … positive spillovers to nearby streets. To test this, we worked with Bogotá to experiment on an unprecedented scale. They … randomly assigned 1,919 streets to either 8 months of doubled police patrols, greater municipal services, both, or neither …

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 Bogotá, Colombia, experimented on an unprecedented scale. They randomly assigned 1 …,919 streets to either 8 months of doubled police patrols, greater municipal services, both, or neither. We study how crime …

police forces tasked with preventing crime. We study the 1829 formation of the London Metropolitan Police - the first … professional force worldwide. Using newly digitized and geocoded crime and police data together with difference-indifferences and …

Using new data at the police department level, I propose an identification strategy to estimate the causal effect that … police militarization has on reducing violent crime. I show that previous estimates are likely to be contaminated by … the displacement of violent crime to neighboring areas. Police departments overmilitarize because they do not consider …

Colquhoun has been badly served by having his notion of prevention understood in the light of the emergence of the new police in …This article reassesses the work of Patrick Colquhoun by reconsidering his notion of prevention. It argues that … 1829. This has obscured the importance of poverty, indigence and political economy to Colquhoun's understanding of police …