https://www.socialeurope.eu/breaking-the-chains-subcontracting-in-the-eu
https://www.bis.org/publ/arpdf/ar2017e_ec.pdf
https://economiesuisse.ch/de/artikel/der-bericht-der-expertengruppe-bankenstabilitaet-als-wichtige-basis
https://fpc.org.uk/wp-content/uploads/2024/03/Whats-the-Risk-report-March-2024.pdf