De-dollarization is all the rage right now, with lots of talk about whether the US currency will be able to maintain its dominant status in the global financial system. But regardless of what happens in the future, it's worth asking how we got to this point originally. How is it that the dollar came to dominate not just global trade flows but also became the currency of choice for things like buying oil? And why are there large pools of eurodollars sitting outside the United States? In this episode, we speak with Josh Younger, formerly of JPMorgan Chase and now a senior adviser at the Federal Reserve Bank of New York, about the surprising policy decisions that went into creating eurodollars and petrodollars, and why they matter now.

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