The U.S. dollar's role as the world's reserve currency is often portrayed as an "exorbitant privilege" granting America endless benefits like cheap borrowing and global clout. Career economists fill books and panels with this narrative, implying dollar dominance is a perpetual free lunch. But common sense reveals a simpler truth: The dollar's power stems 90% from U.S. economic fundamentals—scale, stability, productivity—with reserve perks adding modest, often net-neutral gains that balance out across society.
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