"The Information Technology Revolution and the Puzzling Trends in Tobin’s Average q"
International Economic Review, August 2007, 48(3), pp. 929-51.
"Accuracy of Simulations for Stochastic Dynamic Models"
with Manuel S. Santos
Econometrica, November 2005, 73(6), pp. 1939-76.
"Comment on 'Growth Cycles and Market Crashes'"
Journal of Economic Theory, July 2003, 111(1), pp. 147-8.
"Optimal Monetary and Fiscal Policies in a Search Theoretic Model of Monetary Exchange," Research Department of the Federal Reserve Bank of St. Louis, Fall 2007, and Federal Reserve Bank of Cleveland Conference on Money, Banking, Payments, and Finance, 2007.
Annual Meetings of the Society for Economic Dynamics, Prague, Czech Republic, 2007.
"The Macroeconomics of Obesity in the United States," Research Department of the Federal Reserve Bank of Atlanta, Spring 2006, and World Congress of the Econometric Society, London, United Kingdom, 2005.
Annual Meetings of the Society for Economic Dynamics, Vancouver, Canada, 2006.
International Conference in Computing and Economics, Limassol, Cyprus, 2006.
"Oil Crisis, Energy Saving Technological Change, and the Stock Market Collapse of 1974," Research Department of Banco de Mexico, Fall 2005.
Bi-annual Meetings of the Society for the Advancement of Economic Theory, Vigo, Spain, 2005.
Latin American Meeting of the Econometric Society, Santiago, Chile, 2004.
Midwest Macro Meetings, Ames, Iowa, 2004.
Annual Meetings of the Society of Economic Dynamics and Control, New York, 2003.