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Read more about the article Tracking ancestry and social inequality using American surnames

Tracking ancestry and social inequality using American surnames

  • Post author:Emil O. W. Kirkegaard
  • Post published:13. May 2026
  • Post category:Criminology/Demographics/Economics/Immigration/Sociology

Our big project was finally published: Van Pelt, D., & Kirkegaard, E. O. (2026). Big Data, Deep Roots: Correlating Surname Genetic Ancestry and Socioeconomic Status across Millions of Americans. Comparative…

Continue ReadingTracking ancestry and social inequality using American surnames
Read more about the article Smart fraction theory vindicated

Smart fraction theory vindicated

  • Post author:Emil O. W. Kirkegaard
  • Post published:8. January 2023
  • Post category:Economics/Education/intelligence / IQ / cognitive ability

In the last days of 2022, Noah Carl and I had a new paper out: Kirkegaard, E. O. W., & Carl, N. (2022). Smart Fraction Theory: A Comprehensive Re-evaluation. Comparative…

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Read more about the article Racial diversity: does it matter? How do we know?

Racial diversity: does it matter? How do we know?

  • Post author:Emil O. W. Kirkegaard
  • Post published:9. November 2022
  • Post category:Criminology/intelligence / IQ / cognitive ability/Sociology

A lot of people on the right are concerned about the negative effects of ethnic and religious diversity. Sometimes, they produce plots like this one: The plot shows racial homogeneity…

Continue ReadingRacial diversity: does it matter? How do we know?
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