Surely @worstall isn't right that @gabriel_zucman simply assumes all offshore income/gains is untaxed? http://www.timworstall.com/2017/11/08/were-going-to-have-to-call-this-the-zucman-leap/ …
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Why does he assume only 75% non-dom? I’d expect much higher given that the UHNW will swamp the data, and are very rarely UK resident and UK domiciled.
Ah - found the UK bit it is in the spreadsheet to the book it says "UK deposits are divided by 4 to account for sham corporations; this is very uncertain" (?
?)