https://www.mckinsey.com/mgi/our-research/the-complication-of-concentration-in-global-trade
https://www.cbi.org.uk/media/4112/the-red-tape-challenge-final.pdf
https://www.opendemocracy.net/en/opendemocracyuk/customs-union-leaves-everything-play-trade-justice/?utm_source=Daily+Newsletter&utm_campaign=f531c721c4-DAILY_NEWSLETTER_MAILCHIMP&utm_medium=email&utm_term=0_717bc5d86d-f531c721c4-407405485
https://www.rtbf.be/article/souverainete-numerique-europeenne-l-arrivee-de-donald-trump-amene-une-question-qu-on-aurait-du-se-poser-depuis-bien-longtemps-analyse-fabrice-epelboin-11607523