ArticleProceedings of the National Academy of Sciences of the United States of America2026
Heritability and social interaction in labor market outcomes: Evidence from the population of twins in the United States.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
- Heritability and social interaction in labor market outcomes: Evidence from the population of twins in the United States.Proceedings of the National Academy of Sciences of the United States of America · 2026Article
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Authors and funding
3 authors.
Funding
Abstract
We use data on 44,000 twin pairs observed as adolescents in the 2000 Census, linked to their earnings 20 y later, to study the heritability of labor market outcomes. We extend the Classical Twins Design (CTD), which identifies heritability from contrasts between monozygotic and dizygotic twins, to settings where an analyst does not observe zygosity but can measure outcomes for same-sex and opposite-sex twins. We also allow for the presence of a family- and sex-specific component affecting same-sex siblings but only partly shared by opposite-sex siblings. Our extended model identifies heritability from the difference-in-differences of same-sex vs. opposite-sex twins vs. siblings. The estimates indicate strong heritability (h-sq = 0.36) of log earnings. Using an AKM [J. M. Abowd
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