His work uses applied statistical methods to address social issues like abortion and teen childbearing and to evaluate policies designed to improve the well-being of disadvantaged youth. He is the author of Sex and Consequences: Abortion, Public Policy, and the Economics of Fertility, co-editor of Targeting Investments in Children: Fighting Poverty When Resources are Limited, and founder and CEO of MyinTuition Corp., which operates the MyinTuition simplified financial aid calculator which is currently being used at 15 colleges and universities.