https://www.ilo.org/legacy/english/inwork/cb-policy-guide/declarationofPhiladelphia1944.pdf
https://www.epi.org/publication/ceo-pay-in-2021/
https://www.strategie.gouv.fr/sites/strategie.gouv.fr/files/atoms/files/fs-2019-na83-gains-monetaires-decembre.pdf
https://www.cipd.co.uk/knowledge/work/trends/labour-market-outlook