https://library.fes.de/pdf-files/wiso/14700.pdf
https://www.finance-watch.org/press-release/reaction-european-commission-proposes-approach-to-fiscal-rules-review/
https://www.boeckler.de/pdf/p_wsi_report_52_2019.pdf
https://www.bruegel.org/wp-content/uploads/2021/09/PC-2021-18-0909.pdf