https://www.socialeurope.eu/tax-on-billionaires-political-vaccine-against-the-far-right
https://www.ecb.europa.eu/pub/pdf/ecbu/eb201703.en.pdf?ea7747ab0ef3b038300a8d51a3a95313
https://www.ipp.eu/wp-content/uploads/2018/10/cepremap-macro-budget2019.pdf
https://www.brookings.edu/articles/the-changing-role-of-the-us-dollar/