Explaining global variation in internet speed
I saw this on Twitter earlier today: The narrative seemed right, so at first I retweeted. But then I looked closer at the map and realized it couldn't be right.…
A new dataset of science knowledge by country
By coincidence I found this paper the other day: Sturgis, P., Brunton-Smith, I., Allum, N., & Fuglsang, S. (2024). Testing the cultural-invariance hypothesis: A global analysis of the relationship between…
So you’re interested in the national IQ of a country, what do you do?
You might know the following scenario: you or your ancestors migrated from a given country, or you yourself is a member of the major ethnic group of some country. At…
National “learning-adjusted years of schooling”
We've recently seen national "basic skills" and Team Economist is now back with another one: National "learning-adjusted years of schooling". We might say that national intelligence enjoys a paradoxical popularity.…
New study out: Intelligence Inequality and Income Inequality: The Missing Link
We published a new paper a few days ago: Wright, S., & Kirkegaard, E. O. W. (2023). Intelligence Inequality and Income Inequality: The Missing Link. Comparative Sociology, 22(2), 298–319. https://doi.org/10.1163/15691330-bja10077…
National intelli… basic skills!
Ludger Woessmann tells us about some dire facts: https://twitter.com/Woessmann/status/1581884461007785986 It's about their new 75 page working paper which they summarize thus: How far is the world away from ensuring that…
Andrew Sullivan not allowed to tweet the wrong science
The main function of angry activist people on Twitter is to limit the discourse to within the limits they find acceptable. Since Twitter and other social media have mostly left-wing…
African IQs without African IQs: it’s complicated
Noah Carl has recently written about the African IQs debate, basically defending the usual numbers. Aside from arguing that the data are good enough to use, though obviously not perfect,…
New video out: Country Well-Being: National IQ Vs. Time Preference
The companion video for the paper, published back in December https://www.youtube.com/watch?v=l5OjZ2BK99Q
New paper out: National Intelligence Is More Important for Explaining Country Well-Being than Time Preference and Other Measured Non-Cognitive Traits
Kirkegaard, E. O. W., & Karlin, A. (2020). National Intelligence Is More Important for Explaining Country Well-Being than Time Preference and Other Measured Non-Cognitive Traits. Mankind Quarterly, 61(2). https://doi.org/10.46469/mq.2020.61.2.11 Patient…