Earlier quoted context omitted.
My (ultra-simplistic) idea would to only tax land and VAT. Abolish all other taxes. Unfortunately, governments like fine-grained taxes because it gives them the illusion of control.
That’ll work great if every nation simultaneously agrees to it, but is potentially catastrophic if they don’t: all the tax-dodgers move to your country for tax purposes while continuing to make and sell everything else exactly as before. And if every nation agreed to have identical tax laws, we wouldn’t have a problem with lawful multinational tax minimisation in the first place, because there would be no advantage t…
It begs the question why it does not happen already?