paper · Levi Boxell / Matthew Gentzkow / Jesse M. Shapiro · tradition:
empirical-social-media
Across US demographic groups, polarization grew fastest among those least likely to use the internet and social media.
The book’s stance. Bears on timescale-distinction-mercier-book and the generational form of the engagement floor. Pressure-tests: the cohort with least exposure polarized fastest, against a simple medium-causes-polarization story. Quote-backed supports/pressureTests edges pending extraction of the source PDF.
Availability. Cited by reference; no local copy held in the repo.