https://www.socialeurope.eu/2017/06/ten-thoughts-treaty-democratizing-euro-area-t-dem/
https://scholar.harvard.edu/files/rogoff/files/ilzetki_reinhart_rogoff_qje_2019_2.pdf
https://ukandeu.ac.uk/the-debt-brake-and-germanys-international-competitiveness/
https://www.federalreserve.gov/newsevents/speech/files/powell20200827a.pdf