John M. MacDonald

News

  • New research in JAMA Network Open co-authored by John MacDonald (PSC Research Associate) found that increasing the number of houses that received the Philadelphia Basic Systems Repair Program intervention on a block was associated with a dose-dependent decrease in crime. These findings suggest that intentional and targeted financial investment in structural, scalable, and sustainable place-based interventions in neighborhoods that are still experiencing the lasting consequences of structural racism and segregation is a vital step toward achieving health equity. Read more in PlanPhilly.

  • John M. MacDonald (PSC Research Associate) was quoted in a Newsweek article about police presence in New York City.

  • According to analysis from John M. MacDonald and co-authors, the move decreased crime by 5 percent in the short term and 18 percent after 20-plus years. To curb gang violence in the 1990s, Los Angeles took an inventive approach, filing civil injunctions against gang “organizations.” Read more in Penn News and Journal of Quantitative Criminology.

Penny and Robert A. Fox Faculty Director of the Fels Institute
Professor of Criminology
Professor of Sociology

Ph.D., Criminology, University of Maryland, 1999

Videos

  • Penn Arts and Sciences 60-Second Lecture: John M. MacDonald on Using Science to Design Safer and Healthier Cities
  • Penn Law School's Third Visual Legal Advocacy Roundtable: John M. MacDonald on Making Sense of Surveillance and Vérité Footage from the Streets