
http://www.ips-journal.eu/topics/european-union/article/show/eu-assurance-co-2037/

https://www.eurofound.europa.eu/sites/default/files/ef_publication/field_ef_document/ef19045en.pdf

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