https://www.bruegel.org/sites/default/files/wp_attachments/China-WP-02-050422-final.pdf
https://www.sra.org.uk/pdfcentre/?type=Id&data=1772866600
https://www.propublica.org/article/secret-irs-files-trading-competitors-stock
https://socialeurope.eu/taming-the-big-tech-tiger