"If you happen to be the only one with negative interest rates, you also weaken your currency, which means you make your exports more competitive."

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My single biggest financial concern is the loss of the dollar as the reserve currency. I can't imagine anything more disastrous to our country. . .you're already seeing things in the markets that are suggesting that confidence in the dollar is waning. . .I think you could see a 25% reduction in the standard of living in this country if the U.S. dollar was no longer the world's reserve currency. That's how valuable it is.

— Sam Zell