Harvard's Ken Rogoff on growing U.S. deficit: We will have some kind of debt crisis

Watch on YouTube ↗  |  August 28, 2026 at 13:37  |  6:48  |  CNBC
Speakers
Kenneth Rogoff — Professor of Economics, Harvard University
Steve Liesman — Senior Economics Reporter

Summary

Harvard economist Kenneth Rogoff discusses rising U.S. yields, the Treasury buyback announcement, Fed balance-sheet policy, and the long-term U.S. debt trajectory. He argues that low-rate consensus is unreliable, that the Treasury should manage duration while the Fed shrinks, and that the U.S. will eventually face a debt crisis. He also sees structural erosion in the dollar's reserve currency role.

  • Rogoff warns rates can stay low until they suddenly shift, and AI growth could push real rates higher.
  • He expects a U.S. debt crisis, financial repression, and inflation because voters won't allow budget balancing.
  • He sees the dollar's reserve status eroding, with China and the euro gaining share over the long run.
  • He supports Treasury-led debt duration management and a smaller Fed balance sheet.
  • He criticizes Treasury Secretary Bessent's rollout of the buyback program as botched messaging.
  • The conversation covers deficits, dollar reserve risk, and implications for bond investors.
Ideas
Kenneth Rogoff Professor of Economics, Harvard University 0:48
Don't assume low Treasury yields are permanent
Interest rates can stay low for long periods and then shift abruptly, so the 'low forever' consensus is historically unreliable. Real rates have already risen and if AI turns out to be genuine growth, rates will rise even more; this argues against assuming long-term Treasury yields stay low.
Kenneth Rogoff Professor of Economics, Harvard University 5:49
Dollar erodes; yuan and euro gain share
The dollar's reserve currency status faces long-run erosion: China will gain a larger share of the reserve currency market and the euro benefits as U.S. sanctions push others away, but the biggest 5-10 year threat is internal because the U.S. is not prepared to balance its budget.
Kenneth Rogoff Professor of Economics, Harvard University 5:49
Dollar erodes; yuan and euro gain share
The dollar's reserve currency status faces long-run erosion: China will gain a larger share of the reserve currency market and the euro benefits as U.S. sanctions push others away, but the biggest 5-10 year threat is internal because the U.S. is not prepared to balance its budget.
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This CNBC video, published August 28, 2026, features Kenneth Rogoff discussing TLT, CNY, FXE, UUP. 3 trade ideas extracted by AI with direction and confidence scoring.

Speakers: Kenneth Rogoff  · Tickers: TLT, CNY, FXE, UUP