Are babies in Denmark becoming relatively more Danish?
Over on Twitter we have this claim by Marko Jukic about the speed of the Danish population replacement is getting a lot of attention: It sounds unlikely given that migration…
Selective migration and regression towards the mean
There is much discussion in these days about immigration to the West, and in particular, skilled migration to the United States. Critics of migration often point to regression towards the…
The myth of Danish Social Democrats being hard on immigration
One can find quite a number of news articles like this one in Politico from 2024: Or this one in Foreign Policy from 2021: Or this one in The Irish…
What’s the right dose of democracy?
If you haven't done so already, take the reader survey here! In medicine, there's the occasional discussion of the dose response function of some drug. People wisely assume that it…
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…
Bryan Caplan’s Open Borders book: considerations
Not intended as a proper book review. I didn't read this book yet. Back in 2019, Bryan Caplan and Zach Weinersmith published a serious comic book Open Borders: The Science…
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).…
Book review: Hive mind (Garett Jones)
Read Gwern's review: https://www.goodreads.com/review/show/1433728829 Aside from that, it's a lot of wasted opportunity. For instance, the income~IQ relationship. The discussion is extremely economisty. Not even mentioned that people vary a…