Jeffrey Liebman Appointment Malcolm Wiener Professor of Public Policy Director, Taubman Center for State and Local Government Office Address 79 John F. Kennedy St. Taubman Bldg 318 617-495-8518 Mailing Address 1 Harvard Kennedy School Mailing Address 2 79 John F. Kennedy St. Mailbox 114 City Cambridge State MA Zip 02138 Ellwood, David, and Jeffrey Liebman. "The Middle Class Parent Penalty: Child Benefits in the U.S. Tax Code." Tax Policy and the Economy, Volume 15. Ed. James M. Poterba. MIT Press, 2001.