Two landmark policy interventions to improve the lives of youth through neighborhood
mobility—the Gautreaux program in Chicago and the Moving to Opportunity (MTO)
experiments in five cities—have produced conflicting results and have created a puzzle with
broad implications: Do residential moves between neighborhoods increase or decrease
violence, or both? To address this question, we analyze data from a subsample of
adolescents ages 9–12 years from the Project on Human Development in Chicago …