https://www.ft.com/content/bcebd77c-057b-4fd0-bd99-b97e0e559455
https://www.socialeurope.eu/taking-aim-at-sellers-inflation
https://www.gsb.stanford.edu/gsb-box/route-download/621098
http://www.cesifo-group.de/portal/page/portal/DocBase_Service/studien/Studie-2017-Felbermayr-etal-Brexit-79843.pdf