The social sector's hottest "impact investing" product--the social impact bond (SIB)--has generated a range of reactions, from excitement to angst. An SIB uses private funds to pay for a social, educational, or health program, and the government repays investors (plus a return) only if the program achieves prespecified results. The…

Young people who are leaving the foster care and juvenile justice systems often experience a difficult transition to adulthood that is characterized by a number of troubling outcomes, including poverty, low levels of education and employment, and housing instability. While some services are available for these populations, there is little evidence…