For years, people have been predicting the demise of the U.S. dollar as the global reserve currency. Although the U.S. economy has been shrinking as a share of the world's GDP, the dollar continues to grow ever more dominant. Yet its strength is increasingly cited as a factor behind economic problems around the world. On this week's Odd Lots, the economist David Beckworth, a research fellow at the Mercatus Center, explains the dollar's persistent and growing strength.

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