https://publications.parliament.uk/pa/cm201719/cmselect/cmpubacc/401/401.pdf
http://blogs.lse.ac.uk/brexit/2018/07/09/british-influence-in-brussels-had-been-far-greater-than-recognised/
https://economy2030.resolutionfoundation.org/wp-content/uploads/2023/06/Trading-Up.pdf