Good point, but could you argue that those Americans that would renounce their citizen ship are already hiding that income in untaxable locations already? I wo

Good point, but could you argue that those Americans that would renounce their citizen ship are already hiding that income in untaxable locations already? I wonder if it would be a wash, you suddenly up the tax, and everyone that was ducking anyway leaves and the rest get taxed and fill the void. All speculation of course, none of us would have numbers to know.