https://www.brookings.edu/articles/tracking-trade-amid-uncertain-and-changing-tariff-policies/
http://sro.sussex.ac.uk/id/eprint/110932/1/BP-70.pdf
https://ecipe.org/wp-content/uploads/2022/02/ECI_22_PolicyBrief-TimeForFresh_01_2022_LY04.pdf
https://www.institute.global/insights/geopolitics-and-security/windsor-framework-what-has-been-agreed-and-what-it-means-northern-ireland-protocol