Contributor(s): Allison Schrager | An uncertain world requires us to manage risks we could never have imagined. But tools exist that can help. What we can learn from sex workers, studs, and surfers. Allison Schrager (@AllisonSchrager) is an economist, author and journalist who specializes in retirement and more exotic risks. Her new book is An Economist Walks Into A Brothel. Dimitri Vayanos is Professor of Finance at the London School of Economics, where he also directs the Financial Markets Group and the Paul Woolley Centre for the Study of Capital Market Dysfunctionality. The Department of Economics at LSE (@LSEEcon) is one of the largest economics departments in the world. Its size ensures that all areas of economics are strongly represented in both research and teaching. The Centre For Macroeconomics (@CFMUK) is a research centre that brings together a group of world class experts to carry out pioneering research on the global economic crisis and help design policies to alleviate it. The FMG (@FMG_LSE) is a leading centre in Europe for policy research into financial markets.