opinion-dynamics

Reply to de Marchi: Modeling Polarization of Political Attitudes
In “The complexity of polarization” (PNAS 2022), de Marchi offers several critiques of our Attraction-Repulsion Model of political polariztation: the results repeat conventional wisdom, are difficult to reconcile with the current US political climate, focus on ideological instead of affective polarization, and are difficult to falsify. This response addresses these four criticisms and reemphasizes several surprising results.
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Reply to de Marchi: Modeling Polarization of Political Attitudes
Preventing Extreme Polarization of Political Attitudes
To better understand how polarization can be prevented, we developed a simple agent-based model in which people tend to be exposed to and attracted by views similar to their own, but are repulsed by views that are too dissimilar. The policy implications are described in terms of tolerance, responsiveness, exposure to dissimilar views, multiple ideological dimensions, economic self-interest, and external shocks.
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Preventing Extreme Polarization of Political Attitudes