https://www.boeckler.de/pdf/p_wsi_report_39e_2018.pdf
https://www.brookings.edu/wp-content/uploads/2021/06/Moving-Up.pdf
https://www.socialeurope.eu/the-ranks-of-the-working-poor
https://knowledge.wharton.upenn.edu/article/layoffs-loom-governments-respond-pandemic-panic/?utm_source=kw_newsletter&utm_medium=email&utm_campaign=2020-03-24