https://www.ccomptes.fr/system/files/2019-07/20190716-rapport-regimes-speciaux-retraite.pdf
https://www.piie.com/blogs/realtime-economics/global-minimum-corporate-tax-will-not-end-forces-drive-tax-competition?utm_source=update-newsletter&utm_medium=email&utm_campaign=piie-insider
http://researchbriefings.files.parliament.uk/documents/CBP-7484/CBP-7484.pdf
http://uk2070.org.uk/wp-content/uploads/2020/02/UK2070-FINAL-REPORT.pdf