http://economics.mit.edu/files/12979
https://www.keepeek.com//Digital-Asset-Management/oecd/science-and-technology/oecd-science-technology-and-industry-scoreboard-2017/growth-jobs-and-the-digital-transformation_sti_scoreboard-2017-5-en#page1
https://www.epi.org/publication/ceo-pay-in-2021/
https://www.socialeurope.eu/beyond-fantasies-industry-4-0-global-capital-no-answers