What Brad DeLong thinks about optimism

@brad-delong · 87 positions · On ppll ↗

Economics professor at the University of California, Berkeley and a former Deputy Assistant Secretary of the US Treasury. Author of Slouching Towards Utopia and writer of the Grasping Reality newsletter.

Brad DeLong did not write this page.

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Only Brad DeLong on optimism. See everyone on optimism

1 dated position, 2026, in their own words. Our reading of what Brad DeLong has said — not written or endorsed by them.

1 position so far — this page is not yet offered to search engines.

1. 20 Oct 2026, 13:11 UTC

   Our readingIt is too early to declare AI demand exhausted because of a lack of actual profitable usage cases.

   Their wordsIt is way too early to declare AI demand exhausted because of a lack of actual profitable usage cases

   ↗Spending on “Tokens”: CHART OF THE DAYbraddelong.substack.com