Positions Held

Assistant Professor of Economics, University of Michigan, September, 1984 – August, 1989.

Visiting Scholar, National Bureau of Economic Research, January, 1988 – August, 1988.

Olin Fellow, National Bureau of Economic Research, September, 1988 –August, 1989.

Associate Professor of Economics, University of Michigan, September, 1989 – June, 1990.

Visiting Scholar, Department of Economics, Boston University, September, 1989 – December, 1989.

Visiting Associate Professor of Economics, Sloan School of Management, Massachusetts Institute of Technology, September, 1989 – May, 1990.

Professor of Economics, Boston University, September 1990 – June, 2005.

Visiting Scholar, Institut d'Economie Industrielle, Université des Sciences Sociales, Toulouse France, June – December, 1997.

Chairman, Department of Economics, Boston University, September, 1992 – August, 1998.

Visiting Professor of Economics, Sloan School of Management, Massachusetts Institute of Technology, September, 2000 – June, 2001.

Visiting Professor of Economics, Department of Economics, Harvard University, July, 2004 – June, 2007.

Senior Lecturer and Director of Undergraduate Studies, Department of Economics, Harvard University, July, 2007 – present.