https://wiiw.ac.at/can-multinationals-withstand-growing-trade-barriers-dlp-6732.pdf
https://www.cesifo-group.de/DocDL/ifoDD_18-01_29-31_Achten.pdf
https://institute.global/sites/default/files/2020-07/Tony%20Blair%20Institute%2C%20A%20Path%20to%20Brexit%20Agreement%2C%20July%202020.pdf
https://www.ippr.org/files/2017-09/cej-interim-report-summary-170911.pdf