Full professor, Dipartimento di Economia Ettore Bocconi, Università Bocconi, September 2005 -

Director, IGIER, November 2006 – November 2008

Researcher, IGIER – Università Bocconi, Settembre 2003 – September 2005

Professor, European University Institute, Department of Economics, September 2001 - July 2003

Associate Professor con tenure, Columbia University, Department of Economics, July 1998 – July 2001

Associate Professor, Columbia University, Department of Economics, July 1997 - June 1998

Assistant Professor, Columbia University, Department of Economics, July 1991- June 1997