https://committees.parliament.uk/publications/23257/documents/169721/default/
https://www.consilium.europa.eu/media/45109/210720-euco-final-conclusions-en.pdf
http://www.bankofengland.co.uk/publications/Documents/speeches/2017/speech992.pdf
https://www.strategie.gouv.fr/sites/strategie.gouv.fr/files/atoms/files/fs-2019-fiscalite-capital-01-10-2019.pdf