https://reformscotland.com/wp-content/uploads/2018/04/The-VAT-opportunity.pdf
https://www.esrb.europa.eu/pub/pdf/wp/esrbwp21.en.pdf
https://www.socialeurope.eu/tax-on-billionaires-political-vaccine-against-the-far-right
https://www.bis.org/publ/arpdf/ar2017e_ec.pdf