Harvard’s Mossavar Rahmani Center for Business and Government has just issued an important paper by senior fellow Peter Sands and a group of student collaborators. The paper makes a compelling case for stopping the issuance of high denomination notes like the 500 euro note and $100 bill or even withdrawing them from circulation.
https://www.washingtonpost.com/news/wonk/wp/2016/02/16/its-time-to-kill-the-100-bill/