George A. Akerlof is University Professor at Georgetown University and the winner of the 2001 Nobel Prize. Robert J. Shiller is Sterling Professor of Economics at Yale University, the winner of the 2013 Nobel Prize in economics, and the author of the New York Times bestseller Irrational Exuberance (Princeton). Akerlof and Shiller are also the authors of Animal Spirits: How Human Psychology Drives the Economy, and Why It Matters for Global Capitalism (Princeton).