1. Professor of Economics and Neubauer Family Faculty Fellow, Graduate School of Business, University of Chicago, Chicago, Illinois; Faculty Research Fellow, National Bureau of Economic Research, Cambridge, Massachusetts, and Research Fellow, Center for Economic Policy Research, London, United Kingdom; Research Fellow, Institute for the Study of Labor (IZA), Bonn, Germany.
2. Michael M. Koerner Associate Professor of Entrepreneurial Finance, Sloan School of Management, Massachusetts Institute of Technology, Cambridge, Massachusetts; Faculty Research Fellow, National Bureau of Economic Research, Cambridge, Massachusetts, and Research Fellow, Center for Economic Policy Research, London, United Kingdom.