Economists are not known for their star turns. Yet the interplay of global events and timely research can conspire to drag a tweed-jacketed dismal scientist blinking into the public eye. In 2014 Thomas Piketty became an unlikely celebrity when his weighty book on global inequality, "Capital in the Twenty-First Century", made bestseller lists. In 2016 another French economist might have just the right message for the times. The research of Helene Rey, of London Business School, on the massive flows of money sloshing around the global economy is well suited to a moment when the tide of global capital is turning once again.
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