· Primary ·
Jeffrey Henley Professor of Economics, University of California, Santa Barbara, 2004-present.
Professor of Economics, Carnegie Mellon University, 1982-94 and 1995-2005.
Malcolm Forsman Centennial Professor in Economics, University of Texas at Austin, January 1994-August 1995.
Associate Professor of Economics, Carnegie-Mellon University, 1978-82.
Assistant Professor of Economics, Norwegian School of Economics, 1973-78.
· Other ·
Director, Laboratory for Aggregate Economics and Finance (LAEF), University of California, Santa Barbara.
Richard P. Simmons Professor of Economics (part-time), Carnegie Mellon University, Qatar.
Professor II (Adjunct), Norwegian School of Economics, 1993-present.
Research Associate, Federal Reserve Bank of Dallas, 1994-present.
Senior Research Fellow, IC² Institute, University of Texas at Austin, 1994-present.
Member, Scottish Council of Economic Advisers, 2007-2010.
Professor II (Adjunct), University of Stavanger, 2007-2013.
Visiting Professor, Universidad Torcuato Di Tella, Buenos Aires, October-November 1997, October-November 1999, October-November 2000, November 2001, November 2002, November-December 2003, and October-November 2004, and November-December 2006.
Visiting Scholar, University of Texas at Austin, September-December 1995.
Research Associate, Federal Reserve Bank of St. Louis, 1995-2007 and 2010-2013.
Visiting Professor, Athens University of Economics and Business, October-November 1992.
Visiting Professor, Norwegian School of Economics, January-February 1992.
Research Associate, Federal Reserve Bank of Cleveland, 1991-2008.
Visiting Scholar, Institute for International Economic Studies, Stockholm University, May-June 1990.
Visiting Scholar, Institute for Empirical Macroeconomics, Federal Reserve Bank of Minneapolis and University of Minnesota, July-December 1989.
Visiting Scholar, Federal Reserve Bank of Minneapolis, January-December 1988.
Visiting Scholar, Hoover Institution, Summer 1984.
National Fellow, Hoover Institution, 1982-83.
Visiting Fellow, Graduate School of Industrial Administration, Carnegie Mellon University, 1977-78.
Visiting Assistant Professor, Department of Economics, University of Minnesota, Spring 1977.
Visiting Scholar, Department of Economics, University of Minnesota, 1976-77.