Patrick Bolton is professor of finance at Imperial College London and senior advisor to the Lazard Climate Center. Past president of the American Finance Association and a fellow of the Econometric Society, he is the coauthor of Contract Theory and The Green Swan: Central Banking and Financial Stability in the Age of Climate Change. Haizhou Huang is Special-Term Professor of Finance at both the Shanghai Advanced Institute of Finance at Shanghai Jiaotong University and the PBoC School of Finance at Tsinghua University. He is the author of The Global Financial System: Crises and Reforms and the coeditor of The Changing Fortunes of Central Banking.