Jesús Fernández-Villaverde on the Quandary of Global Demographic Decline | Macro Musings

Jesús Fernández-Villaverde is a professor of economics at the University of Pennsylvania. Jesús returns to the show to discuss his rise on X, how to frame global demographic decline, the three accelerants of demographic decline, the role of housing in family size, how AI will play a role in global demographics, what we know about AGI, the question of dollar dominance, and much more. Recorded February 20th, 2026 Transcript and links: https://www.mercatus.org/macro-musing... Stay connected: Subscribe to David's Substack: https://macroeconomicpolicynexus.subs... Follow David on X: https://x.com/DavidBeckworth Follow Jesús on X: https://x.com/JesusFerna7026 Follow the show on X: https://x.com/Macro_Musings Timestamps: 00:00:00 - Jesús' rise on X 00:06:24 - Demographics 00:39:19 - Artificial Intelligence 00:54:26 - Currency Dominance