https://www.iwh-halle.de/fileadmin/user_upload/publications/gd/2022f/GD_F22_Langfassung_online.pdf
https://www.cbo.gov/system/files/115th-congress-2017-2018/reports/53651-outlook.pdf
https://www.bruegel.org/system/files/2024-05/WP%2012%202024_0.pdf
https://www.raadvanstate.nl/publicaties/publicaties.html