
https://www.icij.org/news/2024/07/us-germany-key-holdouts-as-g20-nations-push-for-a-plan-to-tax-worlds-billionaires/

https://www.boeckler.de/pdf/p_imk_report_125e_2017.pdf

https://www.prospectmagazine.co.uk/wp-content/uploads/2017/12/Tooze_feature_app_1.pdf