
https://ecipe.org/wp-content/uploads/2023/04/ECI_23_PolicyBrief_04-2023_LY01.pdf

https://www.institute.global/insights/geopolitics-and-security/windsor-framework-what-has-been-agreed-and-what-it-means-northern-ireland-protocol

http://www.cesifo-group.de/ifoHome/publications/working-papers/CESifoWP/CESifoWPdetails?wp_num=6430&CESifoWP.search=+