
http://www.iata.org/publications/economic-briefings/value-of-air-cargo-2016-summary.pdf

https://www.politico.eu/article/italy-government-giorgia-meloni-matteo-salvini-40-percent-tax-bank-fiasco-mishandled/

https://www.egmontinstitute.be/content/uploads/2022/05/TobiasGehrke_MartSmekens_PolicyBrief277.pdf?type=pdf