Professor MacDonald works on a wide variety of topics in criminology that include the study of interpersonal violence, race and ethnic disparities in criminal justice, and the effectiveness of social policy responses to crime. He is the author of, most recently, “Are Immigrant Youth Less Violent? Specifying the Reasons and Mechanisms” (with Jessica Saunders) in The Annals of the American Academy of Political and Social Science 641 (2012). He is the winner of the 2012 David N. Kershaw Award For Distinguished Contributions to the Field of Public Policy Analysis and Management from the Association of Public Policy and Management (APPAM). He will be delivering the Kershaw lecture at the APPAM Research Conference.