The recent Merrill Lynch and U.S. Trust-led $13.5 million social impact bond attracted over 30 HNWs like former Harvard President Larry Summers and family offices. With only a 10% philanthropic credit enhancement from the Rockefeller Foundation, this prison recidivism SIB should be more replicable than previous U.S. SIBs.

http://www.csmonitor.com/World/Making-a-difference/Change-Agent/2014/0107/Pay-for-success-social-impact-bonds-help-train-ex-convicts