"Some mechanism" is called simply taxation. In 1944, the top income tax bracket in the USA was 94 %. Nowadays you'd also need a wealth tax to deal with the perv

"Some mechanism" is called simply taxation. In 1944, the top income tax bracket in the USA was 94 %. Nowadays you'd also need a wealth tax to deal with the perverse incentives caused by past accumulation of stock. https://en.wikipedia.org/wiki/Income_tax_in_the_United_States#Income_tax_rates_in_history https://en.wikipedia.org/wiki/Income_tax_in_the_United_State... https://www.newyorker.com/magazine/2020/03/09/thomas-piketty-goes-global https://www.newyorker.com/magazine/2020/03/09/thomas-piketty...