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Crémieux Profile picture
@cremieuxrecueil
Mar 20 • 2 tweets • 1 min read • Read on X
As students advance in school, courses become more genetically stratified.

Kids who have greater genetic endowments related to education end up taking higher mathematics courses than kids with poorer genetic endowments. Image
Society genetically stratifies as people with certain traits succeed better in certain areas. This crops up for occupational class, tax brackets, and more.

You can give this education study a read here: nature.com/articles/s4153…

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More from @cremieuxrecueil

Crémieux Profile picture
Mar 22
Even when men and women are matched for the amount of muscle they have, men tend to be far stronger.

The case against sex-segregating sporting is the case for women only making appearances in sports with relatively equal performance, like archery. Image
This is true for the lower body too. Image
Elite female athletes even tend to be weaker than typical men.

The case against sex-segregated sporting is very clearly the case for eliminating women's participation in sport. Image
Read 5 tweets
Crémieux Profile picture
Mar 22
We now know NYU violated the law by engaging in racial discrimination in their latest admissions cohort.

They should be punished severely.

In the meantime, NYU should also try to make amends by contacting all overlooked students and sending them admissions offers right now.Image
Image
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This data comes from today's hack of NYU's admissions department and website.

You can see an archive of what their website looked like an hour ago here: web.archive.org/web/2025032213…
Now, as a reminder, Trump has stated that his preferred punishment for universities that continue to engage in illegal racial discrimination is...

Confiscating their endowments, taking away their accreditation, and imposing severe damages on those responsible.

Godspeed. Image
Read 4 tweets
Crémieux Profile picture
Mar 20
Today makes two years of having a Twitter account.

I'm glad that 244,400 of you have decided to follow me in that time, and it's hard to overstate my astonishment that so many would even want to in the first place.

So, thank you, and here's the last month's review of posts!
South Korean industrial policy: as overrated for economic success as industrial policy everywhere else.

Still might be good for national security reasons!

The learning and knowledge spillover effects of joint ventures and foreign companies writ large in China.

Read 75 tweets
Crémieux Profile picture
Mar 18
The first empirical evaluation of New York's congestion pricing has just been published.

Spoiler: It worked really, really well🧵Image
First, what is congestion pricing?

It's an added fee sent to drivers when they drive on certain roads, at certain times, in order to dissuade people from using the road when they don't need to.

The initiative aims to cut down on needless overuse, leading to slow roads. Image
Congestion pricing, in New York, acts as a sort of redistribution:

Because people pay to get into Manhattan, fewer go in, and the payments that would go to paid parking lot owners are effectively redistributed to the city government.

Congestion pricing can improve land use!Image
Read 19 tweets
Crémieux Profile picture
Mar 18
Recent survey results suggest Republicans dominate public perception when it comes to things people really care about and Democrats dominate when it comes to issues that people don't really care about.

That's probably a significant part of the story of why Kamala lost. Image
Democrats really did just decide to leave a lot of important 60/40 and 80/20 issues for Republicans to pick up and crush them with, and that was not a smart move.

No wonder this was the electorate. Image
These results are really staggering.

Never before have Republicans been winners among non-Whites, until the 2024 election.

For years, non-Whites have tended to vote Democrat regardless of their personal ideology, but now, e.g., Hispanic conservatives vote Republican. Image
Read 6 tweets
Crémieux Profile picture
Mar 14
I'm glad the issue of raw score comparisons across cohorts over time has finally hit a dataset besides the NAEP.

In the PISA, PIAAC, etc., trends are eliminated by accounting for measurement non-invariance and demographic change.

But very few people care to analyze correctly🧵 Image
The factors involved here are easy to understand.

Demographic change refers to changes in sample qualities like age, race, sex, wealth, and so on over time. In the case of these samples with consistent ages, it's mostly race, immigration status, etc.

Take Finland as an example: Image
Measurement invariance is still simple, but it's a bit harder, and it's almost universally neglected.

Consider an example where you're asking a group of humans and a group of robots questions about moral condemnation. Image
Read 13 tweets

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