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Mandelbrot's avatar

- Have you tried wealth instead of income inequality (data probably harder to get)? Income taxes are very progressive and welfare spending affects income but shouldn't have a large effect on wealth.

Some data suggest wealth and income inequality are even negatively related: https://journals.sagepub.com/doi/abs/10.1177/00031224211027800

- Trying to make sense of the negative correlation. Could be mediated by "state capacity" that decreases income inequality by welfare spending and increases immigration (i.e. IQ inequality) at the same time. Thinking mostly about Euro states here. Could test that with your S-factor measure.

- I don't buy the extremely low inequality measures for countries like BLR, UKR or SVK.

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Guy's avatar

"Who can really believe that utra-diverse countries like Brazil (BRA) and Mexico (MEX) have less intelligence diversity than Malta (MLT). "

Perhaps lower IQ people are disproportionally likely not to be in school in those countries?

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