
https://frictions.co/english/linsoutenable-legerete-du-labeur/working-ourselves-clean/

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.iwh-halle.de/fileadmin/user_upload/publications/iwh_discussion_papers/iwh-discussion-paper_2019-04_Brautzsch_Holtemoeller.pdf