• Publications
  • Influence
Problem-Oriented Policing, Deterrence, and Youth Violence: An Evaluation of Boston's Operation Ceasefire
Operation Ceasefire is a problem-oriented policing intervention aimed at reducing youth homicide and youth firearms violence in Boston. It represented an innovative partnership between researchersExpand
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Judging Judicial Discretion: Legal Factors and Racial Discrimination in Sentencing
Variation in sentencing outcomes represents the actions of a number of members of the criminal justice system. To isolate the part of the variation that is due to the discretion of the judge (orExpand
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Cross-city evidence on the relationship between immigration and crime
Public concerns about the costs of immigration and crime are high, and sometimes overlapping. This article investigates the relationship between immigration into a metropolitan area and that area'sExpand
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Controlling Violent Offenders Released to the Community: An Evaluation of the Boston Reentry Initiative
Despite the high level of funding and policy interest in prisoner reentry, there is still little rigorous scientific evidence to guide jurisdictions in developing reentry programs to enhance publicExpand
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Research Summary: Several prominent empirical studies estimate models of a constant proportional effect of prison on crime, finding that effect is substantial and negative. A separate literatureExpand
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Recent Immigrants: Unexpected Implications for Crime and Incarceration
This analysis of data from the 5% 1980 and 1990 Public Use Microdata Samples shows that among 18–40-year-old men in the United States, immigrants were less likely than the native-born to beExpand
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Prison buildup and disorder
In contrast to the predictions of many, the prison buildup in the USA did not lead to dramatic increases in chaos behind bars. Instead, prison riots have become rarer, the homicide rate among inmatesExpand
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Youth violence in Boston: Gun markets, serious youth offenders, and a use-reduction strategy
Since the mid-1980s, there has been a dramatic increase in youth gun violence.1 In most areas, juveniles and many other youth are legally prohibited from purchasing firearms, especially handguns. AsExpand
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Why are Immigrants' Incarceration Rates so Low? Evidence on Selective Immigration, Deterrence, and Deportation
The perception that immigration adversely affects crime rates led to legislation in the 1990s that particularly increased punishment of criminal aliens. In fact, immigrants have much lowerExpand
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