deployment on crime. However, the elasticities obtained in these settings may not easily extrapolate to more standard … these increases in patrolling were accompanied by corresponding decreases in crime. The standard errors are small enough to …

Police agencies devote vast resources to minimising the time that it takes them to attend the scene of a crime. Despite … likelihood of clearing the crime. We find stronger effects for thefts than for violent offenses, although the effects are large … for every type of crime. We find suggestive evidence in support of two mechanisms: the likelihood of an immediate arrest …

deployment on crime. However, the elasticities obtained in these settings may not easily extrapolate to more standard … these increases in patrolling were accompanied by corresponding decreases in crime. The standard errors are small enough to …

between the racial composition of a city's police force and the racial patterns of arrests and crime. Increases in the number … police officers has a less clear-cut impact on crime rates. It appears that own-race policing may be more effective in … reducing property crime, but no systematic differences are observed for violent crime. These results are consistent either with …