The Edition
Tuesday, September 29, 2026
The one story two independent AI reviewers judged worth reading this day, ranked by editorial score.
Marginal Revolution (Tyler Cowen) · Business · Policy & Society
The Macroeconomic Effect of AI through software engineering
A new NBER paper finds investors already price AI as a permanent 32.6% software-productivity boost, implying a 3.6–6.5% GDP lift.