https://www.chba.org.uk/for-members/library/overseas-seminars/the-status-of-gibraltar-under-eu-law
https://www.sieps.se/globalassets/publikationer/2023/2023_10epa.pdf
https://pubs.aeaweb.org/doi/pdfplus/10.1257/jep.34.2.172
https://www.ucl.ac.uk/european-institute/analysis/2016-17/poulsen-investment-policy