https://www.nao.org.uk/wp-content/uploads/2022/05/Regulating-after-EU-Exit.pdf
https://www.esri.ie/system/files/publications/RB202017_2.pdf
https://fullfact.org/europe/uk-law-what-proportion-influenced-eu/
http://letter_to_department_for_exiting_the_european_union_to_publish_the_findings_of_the_analysis_it_has_carried_out_of_the_impact_of_different_brexit_outcomes_for_the_uk_economy