https://www.federalreserve.gov/newsevents/speech/files/powell20200827a.pdf
https://www.aldeparty.eu/news/italys-insistence-eurobonds-dividing-europe
http://www.case-research.eu/files/?id_plik=5223
https://www.bruegel.org/sites/default/files/2023-06/PB%2012%202023.pdf