https://institute.global/news/brexit-what-we-now-know
https://publications.parliament.uk/pa/cm201719/cmselect/cmfaff/780/780.pdf
https://onlinelibrary.wiley.com/doi/10.1111/ecaf.12565
http://www.niesr.ac.uk/sites/default/files/publications/Facing%20the%20Future%20Tackling%20post-Brexit%20Labour%20and%20skills%20NIESR.CIPD_.pdf