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Whyvert Profile picture
@whyvert
Jan 15, 2024 • 3 tweets • 1 min read • Read on X
Homicide rate 2023.
Ecuador: 45 per 100,000
El Salvador 2.4 per 100,000

Hard to exaggerate the success of Bukele.
The secret: (a) incarcerate every gang member in the country and (b) stop allowing gang leaders to continue controlling things from prison. Image
El Salvador 2023 homicide rate: Image
@GarrettPetersen

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More from @whyvert

Whyvert Profile picture
Jan 11
Late 2024, David Reich and team published a paper disproving the established party line and received wisdom of anti-hereditarians that there have been no recent human genetic changes.

Almost 1 standard deviation reduction in PGS (polygenic score) for schizophrenia Image
2 standard deviation reduction in polygenetic score for dark skin Image
1 standard deviation increase in polygenic score for "years of schooling" (a curious measure, probably reflecting conscientiousness and intelligence) Image
Read 7 tweets
Whyvert Profile picture
Dec 13, 2025
New study of national differences in groupishness: prosocial feelings only to your group (often kin) vs prosocial feelings to all (the green countries).

Treat group members better than non-members vs treating all the same.

The same map as corruption, cheating, etc. Image
This study uses the World Values Survey to look at three facets of groupishness (conformity, discrimination, exclusion). Image
The main predictors of low groupishness were (a) the cool water index (i.e. the climate of NW Europe) and (b) the Western family pattern (i.e. not living with extended kin, no cousin marriage, no polygamy, no arranged marriage).
Open access: psycnet.apa.org/fulltext/2027-…Image
Read 6 tweets
Whyvert Profile picture
Sep 10, 2025
Article on decisions that led to the Boriswave of migration in the UK.

1. Boris Johnson. Wanted to give subsidies to universities (more student visas) and low-wage employers (cheap labor).

Outright gifts to special interests. Image
2. Previously, the Home Office's job had been to counterbalance other departments lobbying on behalf of their associated special interest groups.

Priti Patel failed to do this. Plus, officials failed to forecast the huge surge of migrants.
Clear failure. Image
Lesson: There are always concentrated interests (like universities and low-wage employers) who will lobby for subsidies in the form of migrants against the public good and against clear promises by the government.

They need to be resisted.
Read 5 tweets
Whyvert Profile picture
Aug 23, 2025
It is AD 2025 and still ONLY Europeans, Anglo settlers, East Asians and Israelis have created rich countries (over $50k per capita).
Nobody else. Absolutely none.
(Oil states don't count.) Image
40 years ago the rich countries were NW Europe, Anglo settler, Japan.

In the last 40 years, ONLY about 10+ countries joined their ranks, all of them in Europe, East Asia, and Israel.

Again, oil doesn't count. Image
This is what's called convergence in econspeak.
If only 10+ countries have achieved it, then that's just 5-10% of countries. Not very many.
Read 5 tweets
Whyvert Profile picture
Aug 10, 2025
The future prospects of classical liberalism:
Marian Tupy asks if mass immigration of illiberal peoples will mean the end of classical liberalism.
Tyler Cowen accepts this is a problem and says he doesn't know what to do about it.
How about ending mass immigration? Image
Marian Tupy and Tyler Cowen discuss classical liberalism
humanprogress.org/tyler-cowen-pr…
Note how evasive Cowen is:
"ponder what has gone wrong in other decisions" what other decisions?
"try to address those" address what, how?
"I don’t think you can do nothing." what can you do?
Read 4 tweets
Whyvert Profile picture
Jun 14, 2025
New study: more evidence of very low human capital in Africa.

Basic numeracy mostly unchanged from 1950 to 1990 birth cohorts, despite much more schooling.

NB: basic numeracy is very, very basic = people know their own age, don't round it up or down (called "age heaping".) Image
Some exceptions. Basic numeracy in Ghana has trended upwards Image
In some countries, e.g. Niger, basic numeracy has trended downwards. Yes, numeracy is declining.

(Remember, knowing your own age is so basic that going to school is not necessary to learn how to do it. So, unschooled people can learn it.) Image
Read 8 tweets

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