Karlan, Dean; Beaman, Lori; Thuysbaert, Bram - National Bureau of Economic Research (NBER) - 2014
High transaction and contracting costs are often thought to create credit and savings market failures in developing … improved "technology" for managing informal, collaborative village-based savings groups. Such groups allow, in theory, for more … efficient and lower- cost loans and informal savings, and in practice have been scaled up by international non …