https://www.cps.org.uk/files/reports/original/201001000814-CPSUPWARDLYMOBILE2.pdf
https://chemsec.org/product-passports-can-detoxify-the-market-but-not-everyone-likes-the-idea/
https://www.brookings.edu/articles/disquiet-in-the-worlds-middle-class/
https://www-adb-org.translate.goog/sites/default/files/publication/747966/global-value-chain-development-report-2021.pdf?_x_tr_sl=en&_x_tr_tl=de&_x_tr_hl=de&_x_tr_pto=nui,sc