their connections within the organized crime network, I estimate network effects on gangsters' economic status. Lacking …

An influential literature has used the aftermath of terrorist attacks to estimate large effects of police street … deployment on crime. However, the elasticities obtained in these settings may not easily extrapolate to more standard … circumstances. This paper exploits a natural experiment that aimed to increase police presence in more than 6,000 well-defined areas …

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 …

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 …

simultaneity between police and crime. In Italy police officers can only be hired through lengthy national public contests which …, with two notable exceptions: auto thefts and burglaries. -- police ; crime …This paper exploits dictated delays in local police hiring by a centralized national authority to break the …