Intro -- Contents -- Acknowledgments -- Introduction / Ajay Agrawal, Joshua Gans, and Avi Goldfarb -- I. AI as a GPT -- 1. Artificial Intelligence and the Modern Productivity Paradox: A Clash of Expectations and Statistics / Erik Brynjolfsson, Daniel Rock, and Chad Syverson, Comment: Rebecca...

Technological innovations in China: Current state and challenges -- Size matters: Economy-wide scale effects -- Digital innovations -- Engineering green transformations -- Biological innovations -- Smart manufacturing -- Supporting innovations: Unquenchable flames.