You seem to be talking about average wealth and social mobility. This is different from inequality, which is about the distance from the bottom to the top. Some of these results are counter intuitive. For example: There's data to show that the top quartile of earners in low inequality countries live longer than their top quartile counterparts in high inequality countries, even if the high inequality counterparts earn much more both in absolute and relative terms. Edit: Since this is getting downvoted, here's a talk that spends 17 minutes listing studies showing that this is in fact about inequality, not average income. ▶ this video
in “Policing, Mass Imprisonment, and the Failure of American Lawyers” · View on HN