His research interests focus on how neighborhoods change over time, how that change both affects and is affected by neighborhood crime, and the role networks and institutions play in that change. He approaches these questions using quantitative methods as well as social network analysis. He has published substantive work in such journals as American Sociological Review, Criminology, American Journal of Public Health, Social Forces, Social Problems, Social Networks, Journal of Research in Crime and Delinquency, Journal of Quantitative Criminology, Mobilization, Health & Place, City & Community, Crime & Delinquency, Urban Studies and Journal of Urban Affairs. He has published methodological work in such journals as Sociological Methodology, Psychological Methods, and Structural Equation Modeling.