https://taxfoundation.org/flat-tax-state-income-tax-reform/
https://www.socialeurope.eu/tax-on-billionaires-political-vaccine-against-the-far-right
https://www.socialeurope.eu/the-german-debt-brake-reform-urgent
https://www.brookings.edu/blog/future-development/2022/06/27/targeted-legislative-tweaks-can-help-contain-the-harm-of-debt-crises/?utm_campaign=Brookings%20Brief&utm_medium=email&utm_content=218267785&utm_source=hs_email