http://www.europarl.europa.eu/cmsdata/115748/IPOL_IDA(2017)583130_EN.pdf
https://ukandeu.ac.uk/wp-content/uploads/2021/03/Freeports.pdf
https://ukandeu.ac.uk/wp-content/uploads/2020/06/Mind-the-values-gap.pdf
https://waitingfortax.com/2017/05/29/sometimes-you-try-and-you-do-not-succeed/?cmpid=BBBXT053017_BIZ&utm_medium=email&utm_source=newsletter&utm_term=170530&utm_campaign=brexit