most citedThe few-get-richer: a surprising consequence of popularity-based rankings

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cs.SI2025

Rewarding Engagement and Personalization in Popularity-Based Rankings Amplifies Extremism and Polarization

Jacopo D'Ignazi, Emma Fraxanet Morales, Andreas Kaltenbrunner +3

Despite extensive research, the mechanisms through which online platforms shape extremism and polarization remain poorly understood. We identify and test a mechanism, grounded in e…