Immigration economics for economist dummies
Some time ago, I published a 50 minutes long video walkthrough of some research on economics effects of immigration for Nordic countries. Since some people don't really watch videos, I…
Authoritarianism and fertility: maybe, probably
Last year, this meme was floating around: The data are real enough, and the years are right. It seems that Franco was able to sustain fertility in Spain during his…
Do something else for Denmark
A lot of people are interested in fertility. As a matter of fact, there is no more important metric for long term viability of a civilization (Romans knew it too).…
Testosterone battles
Back in October Razib Khan had Carole Hooven on his podcast. She's the author of a new popsci book on testosterone: T: The Story of Testosterone, the Hormone that Dominates…
Sweden finally publishes new immigrant crime rate data, which shows no surprises
Back in 2017, I wrote about how Sweden has a policy of hiding their immigrant crime rate statistics. (See also this tweet.) One cannot even buy them from the statistics…
Math scores for 2nd generation immigrants in Norway by country of origin
A reader sent me this interesting report that I had previously somehow not heard of: Rune Jørgen Sørensen, Jon Marius Iversen, Johan From, and Hans Bonesrønning. Culture and school performance:…
IQ nationalism
Borderless Welfare State: The Consequences of Immigration on Public Finances Sometimes white nationalists describe me as a proponent of 'IQ nationalism', they don't mean it well. It's somewhat of a…
New paper out: County-level USA: No Robust Relationship between Geoclimatic Variables and Cognitive Ability
This one came out in Februrary, so we are a bit behind, but that's because I wanted to time the blogpost with the video. Aaaand the video is online now.…
New paper out: Country of Origin IQ and Muslim Percentage Predict Grade Point Average in School among 116 Immigrant Groups in Denmark
Kirkegaard, E. O. W., & Fedorov, J. (2021). Country of Origin IQ and Muslim Percentage Predict Grade Point Average in School among 116 Immigrant Groups in Denmark. Mankind Quarterly, 61(3).…
New paper out: What Happened to Brussels? The Big Decline and Muslim Immigration
Researchgate link (ungated) Kirkegaard, E. O. W., & Dumoulin, B. (2020). What Happened to Brussels? The Big Decline and Muslim Immigration. Mankind Quarterly, 61(2). https://doi.org/10.46469/mq.2020.61.2.8 We examined regional inequality in…
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