His research focuses on the evaluation and construction of state and local policies to improve the delivery of publicly-provided goods and to reduce inequities in the delivery of these services, with particular attention paid to public education. He has also pursued research on the roles of the public and private sectors in education provision. He has served on the board of AEFP, co-edited Education Finance and Policy, served on the Panel on Formula Allocations of the Committee on National Statistics of the National Academies, and consulted for many governments including New York and Massachusetts.