
https://www.cesifo-group.de/DocDL/ifoDD_18-01_03-09_Ochsner.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

https://publications.parliament.uk/pa/ld201719/ldselect/ldeucom/15/15.pdf