https://pacheco-torgal.blogspot.com/2019/10/academia-vanitas-gravitas-and-organized.html
Still on the money laundering and human trafficking paramount problems mentioned in the links above check below Harvard Prof. Ken Rogoff suggestion:
“large notes such as the U.S. $100 bill, facilitates crime:
racketeering, extortion, money laundering, drug and human trafficking…not to
mention terrorism”
“The increasing marginalization of cash… will make it ever easier to effectively implement negative interest rate policy in the coming years..if negative interest rate policy can be
implemented, it would be by far the most elegant and stable long-term solution
to the severe limits on monetary tools that have emerged since the financial
crisis”
https://www.hoover.org/sites/default/files/lilley_rogoff_hoover_monetary_conference.pdf
