https://www.economiesuisse.ch/de/artikel/immerhin-zugang-zu-arbeitskraeften-aus-drittstaaten-gesichert
https://www.eurofound.europa.eu/sites/default/files/ef_publication/field_ef_document/ef20023en.pdf
https://www.forbes.com/sites/siladityaray/2021/02/04/reports-mckinsey-has-reached-573-million-settlement-with-states-for-its-role-in-marketing-opioid-drugs/?sh=48c84baf65d1