https://www.berkshirehathaway.com/letters/2019ltr.pdf
https://chemsec.org/dont-believe-everything-you-hear-european-chemical-industry-is-doing-fine/?utm_source=newsletter&utm_medium=email
http://www.iata.org/whatwedo/Documents/economics/impact_of_brexit.pdf
https://corporateeurope.org/en/2020/10/facebook-friends-lobby-consultants