http://www.oecd.org/fr/emploi/emp/Editorial-and-executive-summary-FR.pdf
http://www.ftseglobalmarkets.com/news/uk-pension-deficits-rise-to-£145bn-liabilities-at-record-high.html
https://knowledge.wharton.upenn.edu/article/layoffs-loom-governments-respond-pandemic-panic/?utm_source=kw_newsletter&utm_medium=email&utm_campaign=2020-03-24
https://www.dgb-bestellservice.de/besys_dgb/pdf/DGB15130.pdf