Police Disruption and Performance: Evidence from Recurrent Redeployments within a City

66 Pages Posted: 14 Feb 2015

See all articles by Giovanni Mastrobuoni

Giovanni Mastrobuoni

University of Turin - Collegio Carlo Alberto; University of Essex - Department of Economics; IZA

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Abstract

More policing reduces crime but little is known about the mechanism. Does policing deter crime by reducing its attractiveness, or because it leads to additional arrests of recurrent criminals? This paper provides evidence of a direct link between policing and arrests. During shift changes a peculiar redeployment of police patrols belonging to separate police forces disrupts policing and lowers the likelihood of clearing robberies with an arrest by 30 percent. There is no evidence that criminals exploit these dips in police performance. A back of the envelope calculation suggests that incapacitation explains 2/3 of the elasticity between robberies and policing.

Keywords: police, crime, incapacitation, deterrence, arrests, deployment, quasi-experiment, shift changes

JEL Classification: K42, H00

Suggested Citation

Mastrobuoni, Giovanni, Police Disruption and Performance: Evidence from Recurrent Redeployments within a City. IZA Discussion Paper No. 8799, Available at SSRN: https://ssrn.com/abstract=2564932

Giovanni Mastrobuoni (Contact Author)

University of Turin - Collegio Carlo Alberto ( email )

Piazza Arbarello 8
Torino, Torino 10122
Italy

HOME PAGE: http://www.carloalberto.org/people/faculty/assistant-professors-and-chairs/mastrobuoni/

University of Essex - Department of Economics ( email )

Wivenhoe Park
Colchester CO4 3SQ
United Kingdom

IZA ( email )

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