Kenneth Rogoff, professor of economics and public policy at Harvard University and recipient of the 2011 Deutsche Bank Prize in Financial Economics, was the chief economist of the International Monetary Fund from 2001 to 2003. He is co-author of This Time is Different: Eight Centuries of Financial Folly (Princeton University Press, 2011) and author of The Curse of Cash (Princeton University Press, 2016)

Is the global economy flying into a perfect storm, with Europe, China and the United States all entering downturns at the same time later this year? The risks of a global recession trifecta are rising by the day.