AI‑Generated Books Now Make Up Over Half of Amazon’s New E‑Books
A new NBER study finds Amazon’s monthly e‑book releases tripled from 100 k to over 300 k between 2022 and 2025, with AI‑written titles surpassing 60 % by year‑end. While reader engagement is lower, a few high‑quality AI books boost overall surplus, reshaping the publishing market.