Do reductions in arrests increase crime? We study line-of-duty deaths of police officers, events that likely impact … apparent threshold of arrest decline beyond which crime increases. Our findings suggest that enforcement activity can be … police behavior through increased fear but are unlikely to directly impact civilian behavior. Officer deaths cause …

In this paper we study the causal impact of police on crime by looking at what happened to crime before and after the … identifies a causal impact of police on crime. Implementing an instrumental variable approach shows an elasticity of crime with … respect to police of approximately -0.3, so that a 10 percent increase in police activity reduces crime by around 3 percent …

case in regards to the police force of the province of Buenos Aires. Here, I will demonstrate that the police have …