https://arxiv.org/pdf/2303.03371.pdf
https://ec.europa.eu/competition/publications/reports/kd0419345enn.pdf
http://www.businessforscotland.com/survey-scottish-business-loses-trust-uk-governments-brexit-negotiations/
https://www.bruegel.org/wp-content/uploads/2021/11/PC-23-171121-1.pdf