If the top nine income earners in the US donated their earnings, it would be the equivalent of about three months income for the world's poorest billion people. But, rather than punitively taxing wealth, globalization strengthens the case for shifting to a flat tax on income (or better yet consumption) with a moderately high exemption.
https://prosyn.org/GWSaD6b
CAMBRIDGE -- Lately, I have been trying to explain to my eleven-year-old son Gabriel the astronomical differences between people’s income.