https://www.iwh-halle.de/fileadmin/user_upload/publications/iwh_discussion_papers/iwh-discussion-paper_2019-04_Brautzsch_Holtemoeller.pdf
https://www.brookings.edu/articles/theres-an-industrial-revolution-underway-unless-we-act-it-will-make-the-racial-wealth-gap-even-worse/
http://jdmichel.blog.tdg.ch/archive/2020/03/18/covid-19-fin-de-partie-305096.html