iiinova — where your digital self keeps evolving

Reposted by Laura Fortunato

Hampton Gaddy @hggaddy.bsky.social · 01/05/2026

Couldn't have done this without great data (@ipums.bsky.social) and great co-authors (@rebeccasear.bsky.social, @anthrolog.bsky.social)!

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Reposted by Laura Fortunato

Rebecca Sear @rebeccasear.bsky.social · 06/10/2025

If one man marries two women, another man must go unmarried, right? No. Demography matters. If sex ratios are skewed towards women, then polygyny can exist alongside universal marriage for men (who want to marry women). If only more people understood demography 😊

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Reposted by Laura Fortunato

Centre for Culture and Evolution @brunelcce.bsky.social · 06/10/2025

🧵 1/ New paper from CCEs @rebeccasear.bsky.social led by @hggaddy.bsky.social with @anthrolog.bsky.social challenging some common assumptions about polygyny (there are many…) it's open access 🔓 🧪 @brunelpsy.bsky.social

pnas.org

High rates of polygyny do not lock large proportions of men out of the marriage market

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Reposted by Laura Fortunato

Hampton Gaddy @hggaddy.bsky.social · 06/10/2025

🚨 The Economist has been telling you for years that polygamy causes civil war by locking men out of marriage. A new article with @rebeccasear.bsky.social and @anthrolog.bsky.social explains that the demography of marriage markets doesn't actually work that way. 🧵 www.pnas.org/doi/10.1073/...

pnas.org

High rates of polygyny do not lock large proportions of men out of the marriage market | PNAS

There is a widespread belief, in both the scholarly literature and the popular press, that polygyny prevents large numbers of men from marrying by ...

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Reposted by Laura Fortunato

Kevin Lala @kevinlala.bsky.social · 13/08/2025

I'm pleased to share this new article by @svenkasser.bsky.social, Laura Fortunato @anthrolog.bsky.social, Marc Feldman and myself. The article extends gene-culture coevolution to recognize evolutionary effects of culture arising through drift and migration. onlinelibrary.wiley.com/doi/10.1002/...

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