https://ec.europa.eu/commission/sites/beta-political/files/reflection-paper-globalisation_en.pdf
https://www.economiesuisse.ch/de/artikel/ohne-schuldenbremse-droht-die-schuldenspirale
https://www.fraserinstitute.org/sites/default/files/economic-freedom-of-the-world-2021.pdf
https://trade.ec.europa.eu/doclib/docs/2017/december/tradoc_156474.pdf