Exorbitant Privilege and Dollar Hegemony
The US borrows in its own currency, at lower cost, than almost any other country can manage — a structural advantage from the dollar's role as the world's dominant reserve currency, coined "exorbitant privilege" by a French finance minister who resented it.
Prerequisites: Balance of Payments and the Current Account
In the 1960s, French finance minister Valéry Giscard d'Estaing complained that the United States enjoyed an "exorbitant privilege" — it could run trade deficits, pay for imports, and buy up foreign assets, all by printing more of the one currency every country needed to hold in reserve, while everyone else had to earn or borrow the currencies they needed. The phrase stuck, and it names a real, measurable advantage: because the dollar is the dominant global reserve and invoicing currency, the US can borrow more cheaply, run larger external deficits for longer, and finance them more easily than a country without that role ever could.
The mechanism starts with the dollar's role in global trade and finance: most commodities are priced in dollars, most cross-border loans and bonds outside a country's own currency are denominated in dollars, and central banks worldwide hold dollars as their main reserve asset. That built-in, structural demand means foreign buyers are always willing to hold US Treasuries and dollar assets at yields somewhat lower than the US's own fundamentals (deficit size, debt level, growth) would otherwise command — a persistent bid that other countries running comparable deficits simply don't get for their own currency.
What "privilege" actually buys
The privilege shows up in two related ways. First, cheaper borrowing: the US pays a lower interest rate on its debt than its fiscal position alone would suggest, because global demand for dollar-safe assets is structurally elevated. Second, and more subtly, the US has historically earned more on its foreign assets (equity stakes, direct investment abroad) than it pays on its foreign liabilities (mostly Treasuries and bank deposits held by foreigners) — so even as the US runs a persistent trade deficit and its net foreign liabilities have grown for decades, it still earns positive net investment income most years, since what it owes yields little while what it owns yields more.
Worked example
Suppose the US runs a current account deficit of $800 billion in a year, meaning it needs foreign capital of roughly that size to balance its books. It attracts that capital largely by issuing Treasuries yielding, say, 4%, bought by foreign central banks and investors who value the dollar's safety and liquidity above the yield itself. Meanwhile, US pension funds and corporations hold foreign equities and direct investments earning average returns closer to 7-8%. The gap between what the US pays foreigners (around 4% on cheap, safe liabilities) and what it earns abroad (7-8% on riskier, higher-return assets) generates net investment income even while the country's overall net foreign asset position keeps deteriorating in headline terms — a benefit unavailable to a country whose own currency isn't trusted as reserve collateral.
What this means in practice
Exorbitant privilege isn't permanent — it depends on continued global trust in dollar assets, in US institutions, and in the rule of law protecting foreign holders of dollar assets. Discussions of "de-dollarization," sanctions that freeze a country's dollar reserves, or a loss of confidence in US fiscal discipline are all watched closely because they attack the mechanism directly: if the world's central banks and investors ever demanded meaningfully higher compensation to hold dollar assets, the privilege — cheap borrowing, easy deficit financing — would shrink or disappear along with it.
Because the dollar is the world's default reserve and invoicing currency, the US borrows more cheaply and finances larger deficits than its own fundamentals would justify — a real, structural advantage, but one that rests entirely on continued global trust, not on anything guaranteed to last forever.
Related concepts
Practice in interviews
Further reading
- Eichengreen, Exorbitant Privilege: The Rise and Fall of the Dollar (2011)