We develop an empirical model of the mechanism used to assign police officers to Chicago districts and examine the … effects of officer experience on neighborhood crime. Equalizing officer seniority across districts would reduce violent crime … rate by 4.6 percent and significantly decrease inequality in crime, discretionary arrests, and officer use of force across …

-or-Practice" investigations on crime and policing. For investigations that were not preceded by "viral" incidents of deadly force, investigations …, on average, led to a statistically significant reduction in homicides and total crime. In stark contrast, all … homicides and total crime. We estimate that these investigations caused almost 900 excess homicides and almost 34,000 excess …

residential location and property values. The police represent the largest public expenditure in city-level crime control efforts … increase in police expenditures does pay off in the form of lower crime rates. This is an incomplete story, however …Urban crime rates in the United States fell markedly during the 1990s and remain at historically low levels. The …

-ordered racial hiring quotas imposed on municipal police departments. My best estimate of the effect of court-ordered affirmative …. Evidence on police performance is mixed. Despite substantial black-white test score differences on police department entrance … examinations, city crime rates appear unaffected by litigation. However, litigation lowers slightly both arrests per crime and the …

asymmetric response of crime. In this paper we use three different data sets and three different empirical methodologies to … document this previously-unnoticed regularity. Using nonparametric methods we show that the behavior of property crime is … data from New York City we demonstrate that property crime reacts more (less) strongly to increases (decreases) in the …

Body-worn cameras (BWCs) are an increasingly common tool for police oversight, accountability, and transparency, yet …, particularly police use of force. Second, we carry out a benefit-cost analysis of BWCs, as financial barriers are often cited as a … key impediment to adoption by police departments. Our baseline estimate for the benefit-cost ratio of BWCs is 4 …

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 … of minority police are associated with significant increases in arrests of whites, but have little impact on arrests of …

This report summarizes the results of a project which investigated the time series interrelationships between crime …, drug use, police, and arrests in New York City. We use monthly data from 1970 through 1990 for New York City. We plot the … individual time series for five different non-drug crimes, arrest rates for these crimes, drug deaths, number of police officers …

Previous empirical studies have typically uncovered little evidence that police reduce crime. One problem with those … studies is a failure to adequately deal with the simultaneity between police and crime: while police may or may not reduce … crime, there is little doubt that expenditures on police forces are an increasing function of the crime rate. In this study …

forfeited assets influenced crime and police incentives by taking advantage of pre-existing differences in state level civil …The 1984 federal Comprehensive Crime Control Act (CCCA) included a provision that permitted local law enforcement … asset forfeiture law and the timing of the CCCA. We find that after the CCCA was enacted crime fell about 17 percent in …