
https://www.sachverstaendigenrat-wirtschaft.de/fileadmin/dateiablage/Expertisen/Staatsverschuldung_wirksam_begrenzen.pdf

https://www.ips-journal.eu/topics/european-integration/europe-needs-to-spend-its-money-better-7243/

https://csis-website-prod.s3.amazonaws.com/s3fs-public/2024-05/240506_DIIG_Expanding_ToolKit.pdf?VersionId=785wGqP.xIAVryt79tl2LBa7STlXnV6A