They have, and they haven't. Income in at least the US is two seperate Pareto distributions added together. One has grown, the other has not. And two people hav

They have, and they haven't. Income in at least the US is two seperate Pareto distributions added together. One has grown, the other has not. And two people have "left" the middle and "joined" the upper distribution for every person who "left" the middle and joined the lower one.