https://www.brookings.edu/articles/the-difference-in-how-the-wealthy-make-money-and-pay-taxes/
https://www.aier.org/article/french-exports-to-avoid-wealth-taxes/
http://www.nationalcrimeagency.gov.uk/publications/890-the-cyber-threat-to-uk-business-2017-2018/file
https://eml.berkeley.edu/~dromer/papers/RomerandRomerFinancialCrises.pdf