This Economist article points out some of the many small academic works that quibble over details with Piketty and Saez. But that's not anything new. The major points of their work, and especially of Piketty's monumental _Capital for the 21st century_ still stand: that capital is a positive feedback loop in a way that labor is not; that mid-20th-century laws that put brakes on this feedback loop have been removed; th…
> not on income or cap gains Why does it matter how it is taxed? If the capital returns 4% and is taxed at a 30% rate, you will have the same effect as if the capital is taxed at a rate of 1.15%. I think the biggest injustice is that return of capital isn't taxed at the same rate as income from labor. Someone who earns $100'000 from labor and $50'000 from return on capital should be taxed at the same rate as someone…
Almost there. One step further and you’ll realize the root injustice is that rent is taxed less than either returns to capital or labor.
Compensation for labor and returns to productive risk bearing or entrepreneurship should not be taxed. Rent seeking, where profit is guaranteed disproportionate to investment of labor or capital should be taxed out of existence.
It’s crucial to disambiguate land and capital (in the economic sense: https://en.m.wikipedia.org/wiki/Factor_payments) when speaking about concentration of wealth.