Debt, Yields, and AI: What Chief Economists Say About Today’s Financial Risks
Chief economists across major global institutions are signaling a cautiously stable outlook for the world economy, but beneath that surface they see a growing set of financial pressures tied to public debt, long‑term yields, and the explosive expansion of artificial intelligence. Their latest assessments suggest that AI’s rapid build‑out—fueled heavily by debt markets—is beginning to reshape credit conditions, influence sovereign yields, and introduce new vulnerabilities that policymakers cannot ignore. The World Economic Forum’s September 2026 Chief Economists’ Outlook captures this tension clearly. While headline growth expectations have steadied, economists warn that public debt remains elevated and monetary policy expectations are diverging across regions. At the same time, technology investment has surged to historic levels, with AI companies absorbing an outsized share of both venture capital and investment‑grade corporate debt. Over the past year, roughly two‑thirds of U.S...