https://www.bruegel.org/sites/default/files/2023-03/PB%2007%202023_2.pdf
https://pubs.aeaweb.org/doi/pdfplus/10.1257/jep.37.4.115
https://publications.parliament.uk/pa/cm201719/cmselect/cmworpen/769/769.pdf
http://www.businessforscotland.com/survey-scottish-business-loses-trust-uk-governments-brexit-negotiations/