1. Professor of Economics, IGIER-Bocconi, Milan, Italy; Research Fellow, Centre for Economic Policy Research, London, United Kingdom; Research Fellow, William Davidson Institute, Ann Arbor, Michigan; and Director, Fondazione Rodolfo Debenedetti, Milan, Italy.
2. Professor of Economics, with a joint appointment at the Business School and the Ford School of Public Policy at the University of Michigan, and Research Fellow, William Davidson Institute, both in Ann Arbor, Michigan; Associate Fellow at the Centre for Economic Policy Research, London, United Kingdom.