
https://files.taxfoundation.org/20211014170634/International-Tax-Competitiveness-Index-2021.pdf

https://www.courthousenews.com/eu-must-act-quickly-to-catch-up-to-us-warns-report-author/

https://zoe-institut.de/wp-content/uploads/2021/06/ZOE_Report_A-future-fit-recovery_FINAL.pdf