http://www.resolutionfoundation.org/app/uploads/2017/01/Audit-2017.pdf
https://www.feps-europe.eu/attachments/publications/211022%2010%20trillion%20european%20climate%20final.pdf
https://www.brookings.edu/blog/up-front/2017/08/03/the-hutchins-center-explains-the-debt-limit/?utm_campaign=Brookings%20Brief&utm_source=hs_email&utm_medium=email&utm_content=54989469
https://www.socialeurope.eu/the-discreet-but-dubious-charm-of-tax-treaties