
https://www.piie.com/blogs/realtime-economics/european-commissions-fiscal-rules-proposal-bold-plan-flaws-can-be-fixed?utm_source=update-newsletter&utm_medium=email&utm_campaign=piie-insider&utm_term=yyyy-mm-dd

https://institutdelors.eu/wp-content/uploads/2022/04/PB_220420_What-the-EU-budget-can-and-cannot-do-in-response-to-the-war-in-Ukraine_Rubio_EN.pdf

http://www.oecd-ilibrary.org/docserver/download/5jlv2jhfnt48-en.pdf?expires=1494939516&id=id&accname=guest&checksum=08592067325A17BFB82AC6F6E15110B2