An agent-based model of deliberative democracy and polarization

Bokwon Lee, Yohan Kim, K.m Lee and Jae-Suk Yang

The Journal of Mathematical Sociology, 2022, vol. 46, issue 2, 173-194

Abstract: In this paper, we examined the effect of deliberative democracy on the polarization of opinion. Through three case analyses, we find that deliberative democracy has two major components – provision of information and group discussion. Polarization of opinion can be explained by several theories: social identity theory, social comparison, and confirmation bias. We constructed a deliberative democracy model that reflected these mechanisms of polarization. We found that deliberative democracy actually decreased polarization of opinion when group discussion was a strong factor. Our study provides guidelines for an institutional design incorporating deliberative democracy, with emphasis on the composition of unbiased group discussions.

Date: 2022
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DOI: 10.1080/0022250X.2020.1836625

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