https://www.cbo.gov/system/files/115th-congress-2017-2018/reports/53651-outlook.pdf
https://ec.europa.eu/info/sites/info/files/economy-finance/ip127_en.pdf
https://www.socialeurope.eu/beyond-fantasies-industry-4-0-global-capital-no-answers
http://www.ladocumentationfrancaise.fr/var/storage/rapports-publics/174000710.pdf