
https://www.economiesuisse.ch/de/artikel/neue-oecd-leitsaetze-fuer-multinationale-unternehmen

https://www.openmarketsinstitute.org/publications/sling-de-economizing-antitrust-law-starts-with-market-definition

https://www.somo.nl/wp-content/uploads/2021/06/ViacomCBS.pdf