https://www.socialeurope.eu/the-frugal-four-should-save-the-european-project
https://www.taxobservatory.eu//www-site/uploads/2023/10/global_tax_evasion_report_24.pdf
https://www.gsb.stanford.edu/gsb-box/route-download/621098
https://www.brookings.edu/wp-content/uploads/2023/03/20230504_TPC_Gale_FiscalOutlookUPDATE.pdf