Kast, Felipe; Meier, Stephan; Pomeranz, Dina - Institute for the Study of Labor (IZA) - 2012
While commitment devices such as defaults and direct deposits from wages have been found to be highly effective to … increase savings, they are unavailable to the millions of people worldwide who not have a formal wage bill. Self-help peer … groups are an alternative commitment device that is widespread and highly accessible, but there is little empirical evidence …