1. Shane Greenstein is MBA Class of 1957 Professor of Business Administration, Harvard Business School, Harvard University, Cambridge, Massachusetts.
2. Martin Peitz is Professor of Economics, University of Mannheim, and also Director of the Mannheim Centre for Competition and Innovation (MaCCI), both in Mannheim, Germany.
3. Tommaso Valletti is Professor of Economics, Imperial College Business School, London, United Kingdom; Professor of Economics, University of Rome Tor Vergata, Rome, Italy; and a Fellow at the Centre for Economic Policy Research (CEPR), London, United Kingdom.