Josh Lerner is Jacob H. Schiff Professor of Investment Banking at Harvard Business School, with a joint appointment in the Finance and Entrepreneurial Units. He is the author of The Boulevard of Broken Dreams: Why Public Efforts to Boost Entrepreneurship and Venture Capital Have Failed and What to Do About It.

Mark Schankerman is Professor of Economics and Research Associate at the Centre for Economic Performance at the London School of Economics and Research Fellow at the Centre for Economic Policy Research in London.