https://www.socialeurope.eu/central-bank-independence-the-beginning-of-the-end
https://taxfoundation.org/flat-tax-state-income-tax-reform/
https://www.socialeurope.eu/progressive-taxation-for-a-renewed-social-contract
https://www.socialeurope.eu/2017/06/ten-thoughts-treaty-democratizing-euro-area-t-dem/