Very cool, it seems the researchers took into account all sorts of things like state sales tax, state income tax, corporate tax, welfare / handout type programs, and spending + savings habits. From what I can tell the key inflection points in the graph come from four issues. 1.) How much can one contribute to retirement accounts to avoid paying income tax that year? 2.) Where are the key discontinuous cutoff points i…
Really rich people have little or no income. The dodge comes in taking your jet, car, residence, living expenses etc as work expenses. While you OWN billions, your income may be thousands.
In addition, spending a lot of money and then making it a 'work expense' still requires lots of income. You can't effectively write off your limo charges unless your income at least equals them.
And I don't know how common it is to treat a residence as a work expense. There's a home office tax deduction, but that is a common audit flag.