
https://www.brookings.edu/articles/the-difference-in-how-the-wealthy-make-money-and-pay-taxes/

https://www.omfif.org/analysis/commentary/2017/june/uk-risks-falling-behind-europe/

https://economy-finance.ec.europa.eu/document/download/f5827354-8501-49cb-bf2d-13f2f7a9444f_en?filename=dp199_en.pdf