
https://www.esri.ie/system/files/publications/QEC2019SPR_SA_Bergin.pdf

http://www.fdiintelligence.com/Locations/Europe/United-Kingdom/Brexit-the-UK-and-FDI-one-year-on?utm_campaign=Enews+June+2nd+issue&utm_source=emailCampaign&utm_medium=email&utm_content=

https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/695321/An_inspection_of_exit_checks.pdf