In r/Belgium, COVID-19 topics were seeded by external events, not by prior posts, but comment sentiment was contagious, and a two-layer bounded confidence model best captured that asymmetry.
van den Broek-Altenburg, A
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Social Contagion in COVID-19 Discussions within the Belgian Reddit Community: A Statistical and Modeling Study
In r/Belgium, COVID-19 topics were seeded by external events, not by prior posts, but comment sentiment was contagious, and a two-layer bounded confidence model best captured that asymmetry.