Intelligence is real. It does vary across the population. It has consequences.
If you see a psychologist studying intelligence, be interested in it, by all means! This is one of the things they often speak to thoughtfully.
If you see any non-psychologist take a deep interest in measuring the differences in intelligence between socially constructed groups, particularly visibly identifiable and historically oppressed socially constructed groups - be very suspicious.
This is what I propose: economists should, as a general rule, throw intelligence tests on the right hand side of their models when they have the opportunity to because God knows we need to control for any heterogeneity we can. But then economists should, as a general rule, basically ignore it.
Generally speaking we are not qualified to talk all that much about it.
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