For most of the year, worries about governments’ sovereign debt have dominated. Yet in recent weeks the prospect of an end to the AI boom has scared the markets more. Only in a big crash akin to the global financial crisis of 2007-09 would the two collide https://www.economist.com/leaders/2026/10/21/either-ai-or-public-debt-could-crash-markets-but-probably-not-both?taid=6ada481f52e12100015aaccf&utm_campaign=trueanthem&utm_medium=social&utm_source=twitter