https://www.socialeurope.eu/beyond-fantasies-industry-4-0-global-capital-no-answers
http://gabriel-zucman.eu/files/AJZ2017.pdf
https://feps-europe.eu/wp-content/uploads/2023/11/PP23_WEB.pdf
https://www.bis.org/publ/arpdf/ar2017e_ec.pdf