https://www.fraserinstitute.org/sites/default/files/human-freedom-index-2021.pdf
https://theconversation.com/an-entry-fee-may-not-be-enough-to-save-venice-from-20-million-tourists-213703
https://www.etui.org/sites/default/files/2022-08/Mapping%20eco-social%20policy%20mixes%20for%20a%20just%20transition%20in%20Europe_2022.pdf
https://www.ippr.org/files/2018-03/cej-our-common-wealth-march2018.pdf