"It won't hurt me" is the quiet killer of public health norms. 💭 Horne & Johnson show masking norms hold strong when risk is universal — but crumble into "us vs. them" once only a subgroup is vulnerable. #Norms #Pandemics #HealthBehavior #Externalities Read more at: doi.org/10.1177/1043...

Was “the Unready” actually the smartest king in the room? 🤔 New in Rationality & Society: Brandt & Svendesn show that Ethelred’s Danegeld payments were mathematically optimal — not weakness, not appeasement. A calculated equilibrium. #GameTheory #VikingAge #RationalChoice doi.org/10.1177/1043...

Jose Kaire shows #StrongElites face a #CollectiveAction problem when resisting dictators: power sharing creates incentives to free ride, enabling autocrats to consolidate power even when elites could resist. #Authoritarianism #PowerSharing #Dictatorship Read more at: doi.org/10.1177/1043...

Do teens become more tolerant because they make friends across #ethnic lines — or because of #socialinfluence from coethnic friends? 📝 Both matter, and neither personal dislike nor strong #ethnicidentity block these effects. New #SAOM study of #networks and attitudes of 380 German #adolescents:

Dynamics of outgroup attitudes in peer networks: Testing the effects of socialization, contact, and selection - Alla Loseva, Andreas Flache, Christian Steglich, Sabine Otten, Michael Mäs, 2026

Intergroup attitudes can be positively influenced by peers, but it remains unclear whether this occurs primarily through ingroup socialization or outgroup conta...

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New Paper! A chapter of my dissertation looking at the time dynamics of friendship has been published! We find decreasing emphasis of demographic characteristics over time, in favour of friendships based on interests. Interesting implications on clustering! www.sciencedirect.com/science/arti...

Trends of Friends – Time dynamics of Surface- and Deep- level traits in friendship formation and maintenance

People become friends with one another primarily due to things they have in common, like shared demographic characteristics or shared interests. But o…

sciencedirect.com

Debuting my BlueSky account to share my poster presentation at #IC2S2 A nice break from a regular conference presentation, I’ll be showing you about what turns a debate into an insult contest in online political discussions communities! Come past poster #16 on Wednesday (12:30-14:30) to have a chat

International Conference on Computational Social Science@ic2s2.bsky.social · last yr.

#IC2S2 2025 is just around the corner! July 21–24 in Norrköping, Sweden. Bookmark tutorials, keynotes, and must-see sessions and connect with fellow attendees using #IC2S2. Full program here: www.ic2s2-2025.org/program/ See you in Norrköping! 🇸🇪