https://ecipe.org/wp-content/uploads/2023/03/ECI_23_PolicyBrief_03-2023_LY04.pdf
http://www.oliverwyman.com/content/dam/oliver-wyman/v2/publications/2018/march/Oliver-Wyman_Clifford-Chance-The-Red-Tape-Cost-of-Brexit.pdf
https://www.bruegel.org/sites/default/files/2024-09/PB%2019%202024.pdf
http://www.ecfr.eu/page/-/Keeping_Europe_Safe_After_Brexit2.pdf