https://www.wto.org/english/res_e/reser_e/ersd201704_e.pdf
https://www.berkshirehathaway.com/letters/2019ltr.pdf
https://www.brookings.edu/articles/the-changing-role-of-the-us-dollar/
https://www.strategie.gouv.fr/sites/strategie.gouv.fr/files/atoms/files/fs-dp-pac-octobre-2019.pdf