Agent-based simulations show recommender logic sets visibility regimes, with popularity-based systems creating reinforcement loops that concentrate exposure while collaborative filtering distributes it broadly, and network structure modulates creator inequality.
Reshares on social media amplify political news but do not detectably affect beliefs or opinions.Science, 381(6656):404–408, 2023
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Joint Effects of Recommender Systems and Network Structure on the Visibility of Content and Creators
Agent-based simulations show recommender logic sets visibility regimes, with popularity-based systems creating reinforcement loops that concentrate exposure while collaborative filtering distributes it broadly, and network structure modulates creator inequality.