https://institute.global/news/brexit-what-we-now-know
https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/725288/The_future_relationship_between_the_United_Kingdom_and_the_European_Union.pdf
https://www.bruegel.org/wp-content/uploads/2021/05/PC-2021-11-ecofin-210521.pdf
https://www.tatler.com/article/rishi-sunak-chancellor-of-the-exchequer-feature