https://www.bruegel.org/system/files/2024-07/PB%2010%202024.pdf
https://www.cfr.org/blog/power-and-financial-interdependence
https://taxfoundation.org/flat-tax-state-income-tax-reform/
https://www.smf.co.uk/wp-content/uploads/2024/04/Labour-Economics-April-2024.pdf