"Will Social Security Survive the Baby Boom?" with Thomas Cooley, 1996, Carnegie-Rochester Conference Series on Public Policy, Volume 45, 89-121. PDF.
"A Positive Theory of Social Security Based on Reputation" with Thomas Cooley, 1999, Journal of Political Economy, Volume 107, Number 1, 135-160. PDF.
"Privatizing Social Security" with Thomas Cooley, 1999, Review of Economic Dynamics, Volume 2, 713-755. PDF.
"Self-interest and Public Funding of Education" 2003, Journal of Public Economics, Vol 87/3-4,703 - 727. PDF.
"Efficient Public Investment in a Model with Transition Dynamics" with Pierre-Daniel Sarte, 2003, Economic Quarterly, Vol. 89, Number 1, Winter. PDF.
"Social security evaluation: a critique," February 2005, Macroeconomic Dynamics, Vol. 9, No. 1, Pages 57-97. PDF.
"Public Education Reform: Community or National Funding of Education?" April 2005,Journal of Monetary Economics , Volume 52, Issue 3 , Pages 669-697. PDF.
"A Dynamic General Equilibrium Analysis of the Political Economy of Public Education," June 2006, Journal of Population Economics, Volume 19, Number 2, Pages 367 - 389. PDF.
"Distortionary Taxes and Public Investment when Government Promises are not Enforceable," with Marina Azzimonti-Renzo, Pierre-Daniel Sarte, September 2009, Journal of Economic Dynamics and Control, Vol. 33, Issue 9, Pages 1662–1681. PDF.
"Welfare Impact of a Ban on Child Labor," October 2010, Economic Inquiry, Volume 48, Issue 4, pages 1048-1064. PDF.
"Social Security: Universal vs Earnings-Dependent Benefits," October 2012, Economica,Vol. 79, Issue 316, pages 611-640 (leading article). PDF.
"Borrowing Constraints, Parental Altruism and Welfare," September 2015, Journal of Macroeconomics, Vol. 45, pages 1-20 (leading article). PDF