https://www.nber.org/system/files/working_papers/w23583/w23583.pdf
https://www.propublica.org/article/secret-irs-files-trading-competitors-stock
https://cps.org.uk/wp-content/uploads/2023/06/CPS-The-Unregulated-Regulator-final.pdf
https://asia.nikkei.com/Business/Business-trends/China-s-robot-makers-gobble-up-global-rivals-with-help-from-state