https://www.ifs.org.uk/publications/10302
https://www.wto.org/english/res_e/booksp_e/gvc_dev_report_2019_e.pdf
https://www.cesifo.org/DocDL/cesifo1_wp7982.pdf
http://www.ecfr.eu/article/commentary_the_brexit_threat_to_britains_defence_industry