Chairman Junior Hiring Committee 2006-2007
Chairman, Junior Hiring Committee 2005-2006
Co-organized the First Annual CARESS-Cowles Conference on General Equilibrium and Its Applications (2005), 2nd (2006), 3rd (2007), 4th (2008), 5th (2009), 6th (2010), 7th (2011), 8th (2012), 9th (2013), 10th (2014), 11th (2015), 12th (2016), 13th (2017)
Co-organized Conference in Honor of William Brainard, October 2001
Organized Cowles Foundation Conference on Incomplete Markets and Strategic Market Games, 2001
Organized Cowles Foundation Conference on Missing Financial Markets, 2001
Organizer, Conference on the Occasion of the 50th Anniversary of the Death of Irving Fisher, 1998
Organized NBER Conference on General Equilibrium, 1997
Graduate Advisory Committee, 1997
Chairman, Senior Appointments Committees in Theory and Applied Theory, 1993-1994, 1994-1995
Junior Appointments Committee, 1985; Chairman, 1992-1993; 1994-1995
Director of Graduate Studies, 1987-1988
Director of Undergraduate Studies, 1984-1985
Comprehensive Examination Committee, 1982, 1984, 1985, 1989, 1992
Graduate Admissions Committee, 1981-1982, 1987-1988, 1988-1989
Library Committee, 1981-1982