
http://www.cer.eu/sites/default/files/pb_ireland_brexit_6.7.17.pdf

http://blogs.sussex.ac.uk/uktpo/files/2017/11/Briefing-Paper-11.pdf

http://letter_to_department_for_exiting_the_european_union_to_publish_the_findings_of_the_analysis_it_has_carried_out_of_the_impact_of_different_brexit_outcomes_for_the_uk_economy