Commencement Address
North Shore Community College
May 26, 2011

Taxes and Pensions
Distinguished Guest Lecture paper for the Southern Economic Association's 78th Annual Meeting
Southern Economic Journal, 2009, 76(1), 2-15
November 21, 2008

Risk Sharing and the Welfare State
July 2005, Presented at the Roundtable on Economic Policy Conference in Tribute to Jean-Jacques Laffont

Social Security Trust Funds
Presentation at AEA session: In Memoriam: Robert Eisner

Social Security Reform, with a Focus on Italy
Angelo Costa Lecture
October 25, 1999

Taxation, Incomplete Markets and Social Security
Munich Lecture 1, "Pension Insurance Reform in Germany"
November 2000

Tinbergen Lecture October 13, 2000 Social Security Reform with a Focus on the Netherlands
October 2000