https://www.gov.uk/government/news/david-davis-speech-to-the-suddeutsche-zeitung-economic-summit
https://www.spiegel.de/politik/ausland/brexit-deutscher-ex-botschafter-warnt-vor-zu-selbstgefaelligem-blick-auf-grossbritannien-a-0e50fbd5-de82-4b1a-b7cc-eef28f56577c
https://theconversation.com/six-graphs-showing-the-state-of-the-uk-economy-a-year-after-brexit-referendum-79598
https://ukandeu.ac.uk/wp-content/uploads/2021/03/Freeports.pdf