http://gabriel-zucman.eu/files/AJZ2017.pdf
http://norden.diva-portal.org/smash/get/diva2:1095959/FULLTEXT02.pdf
https://www.bbc.com/news/world-asia-india-64899487
https://lawliberty.org/book-review/the-canary-in-the-feds-coal-mine/