https://aifaultline.com/authors/jonathon-hazell/New papers by Jonathon Hazell in the AI Fault Line guide, and news naming them. https://aifaultline.com/research/p/title-3ae9ea7febbaafc9/https://aifaultline.com/research/p/title-3ae9ea7febbaafc9/This NBER paper sizes AI's macroeconomic effect through its impact on software engineering productivity, using firms' stock-return sensitivity to AI news to build a forward-looking, real-time measure.