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The Marginal Revolution PodcastAuthor: Mercatus Center at George Mason University
Marginal Revolution has been one of the most influential economics blogs in the world for over two decades thanks to its sharp economic analysis and thought-provoking ideas. Now, co-creators Alex Tabarrok and Tyler Cowen are bringing their nerdy winsomeness to your earbuds. Each episode features Alex and Tyler drawing on their decades of academic expertise to tackle whatever economic idea is currently tickling their noggins. Language: en Genres: Science, Social Sciences, Society & Culture Contact email: Get it Feed URL: Get it iTunes ID: Get it |
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America's Debt: Crisis or Calm?
Episode 6
Tuesday, 2 December, 2025
Can America afford $30 trillion in debt—or is the real question whether it wants to? In the final episode of Season 2, Alex and Tyler take on the growing mountain of federal debt—now equal to 100% of GDP, with interest payments alone rivaling national defense spending. Alex lays out the case for concern: rising obligations, off-balance-sheet liabilities for Social Security and Medicare, and a political system with no appetite for hard choices. Tyler pushes back, arguing that markets remain calm, real borrowing costs are near zero, and America's wealth-to-debt ratio tells a far less alarming story. From the relevance of the R versus G framework to the lessons of Japan's sovereign wealth strategy, they debate whether the real risk is insolvency or illiquidity, and whether solutions will come through growth, inflation, financial repression, or some mix of all three. Along the way, they explore how AI could reshape the fiscal picture—raising welfare more than wealth, extending lifespans while straining budgets, and changing what kinds of income governments can actually tax. Transcript: https://www.mercatus.org/marginal-revolution-podcast/americas-debt-crisis-or-calm Follow Alex, Tyler, and Mercatus https://x.com/ATabarrok https://x.com/tylercowen https://x.com/mercatus https://marginalrevolution.com/ https://www.mercatus.org/ Timestamps 00:00:00 - Should We Be Worried About the US Debt? 00:08:19 - R vs. G? It's the Political Economy, Stupid 00:16:52 - The Five Ways Out 00:22:21 - AI's Fiscal Paradox 00:30:44 - The Hidden Sovereign Wealth Fund 00:34:56 - The Bottom Line
