Oct 31, 2026 · 26 min
France’s debt crisis tests the limits of cheap money
Is this how the great international borrowing spree ends?
France shows how higher interest rates and political gridlock can turn manageable public debt into a fast-moving crisis.
- 1Cheap borrowing and emergency spending pushed France’s debt above 100% of GDP.
- 2Investors are judging France less by its debt level than by its direction and political credibility.
- 3Higher borrowing costs can create a self-reinforcing loop that makes fiscal repair more painful.
Don't miss
Olivier Blanchard lays out how a loss of confidence can raise interest costs, worsen the budget, and trigger an accelerating debt crisis.
The brief
France’s debt has become a test case for the global borrowing spree, as investors question whether political leaders can keep financing high spending after cheap money disappears.
Thomas Philippon traces France’s debt growth from the financial crisis through COVID-19, while Olivier Blanchard explains why economists once believed low rates made large debts manageable.
The warning sign is not simply France’s debt ratio: investors are reacting to its direction and to doubts that a polarized government can deliver tax increases or spending cuts.
Olivier Blanchard describes a debt doom loop in which lost confidence raises interest costs, worsening public finances and producing still more fear—much like a bank run.
France can impose discipline, seek European assistance, or wait for an emergency to force abrupt cuts; the same delayed-choice problem shadows the United States.
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