simultaneity between police and crime. In Italy police officers can only be hired through lengthy national public contests which …This paper exploits dictated delays in local police hiring by a centralized national authority to break the … requested police officers are recruited and become operational. We show that this endogeneity vanishes once, controlling for …

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. …

This paper argues that terrorism, beyond its immediate impact on innocent victims, also raises the costs of crime, and … therefore, imposes a negative externality on potential criminals. Terrorism raises the costs of crime through two channels: (i …) by increasing the presence and activity of the police force, and (ii) causing more people to stay at home rather than …

presented points to a causal effect of the IGESP on crime. The most conservative estimates indicate a reduction of 24% in … property crimes and 13% in personal crimes. There is also evidence that the IGESP is associated with improved police response … represented by the program may constitute a first-order factor in a successful policy for fighting crime. …

More policing reduces crime but little is known about the mechanism. Does policing deter crime by reducing its … between policing and arrests. During shift changes a peculiar redeployment of police patrols belonging to separate police … that criminals exploit these dips in police performance. A back of the envelope calculation suggests that incapacitation …

, police officers, fire fighters, and construction workers. It holds conditional on differences in observable state …

hooligans reap utility from violence and social identity and study the effects of different police strategies. We find that an …

One main motive behind lengthy prison terms for serious crime is to deter potential offenders from engaging in crime … discount future events when balancing the immediate utility of the crime and the costs of a potential future punishment. If … various crime indicators from administrative registers spanning over 18 years. Our results show that high discount rates …

, for distribution, ethnic conflict and crime. We develop a two-community model where such assimilation generates social …