That finding is probably not reliable because of the way they do binning: https://www.cremieux.xyz/p/brief-data-post?open=false#%C2%A7nonlinearities-in-the-rel

That finding is probably not reliable because of the way they do binning: https://www.cremieux.xyz/p/brief-data-post?open=false#%C2%A7nonlinearities-in-the-relationship-between-iq-and-income https://www.cremieux.xyz/p/brief-data-post?open=false#%C2%A7...