http://europa.eu/rapid/press-release_IP-18-463_en.htm
https://www.ifs.org.uk/publications/10302
https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/710147/DATA_-_FINAL.pdf
https://www.open-britain.co.uk/new_research_trade_deals_with_five_key_countries_could_take_26_years_to_negotiate