Barry Eichengreen is a leading American economist and one of the world’s foremost experts on international monetary systems. He is a professor of economics and political science at the University of California, Berkeley, where he has taught since 1987. He served as a senior policy adviser at the International Monetary Fund in 1997-98.Here, he discusses why today’s “de-dollarisation” talk is different from past episodes, how close the world is to a reshuffling of the international monetary...