
https://int.nyt.com/data/documenttools/house-antitrust-report-on-big-tech/b2ec22cf340e1af1/full.pdf

https://static.europeanchamber.com.cn/upload/documents/documents/Executive_Position_Paper_2019_2020%5B757%5D.pdf

http://www.cesifo-group.de/ifoHome/publications/working-papers/CESifoWP/CESifoWPdetails?wp_num=6430&CESifoWP.search=+