Microfinance groups often engage in a variety of collective activities not directly related to credit. Groups can sanction members who default on their loans by excluding them from these activities. Our experiment is designed to explore the effectiveness of such sanctions in improving repayment...

Group loans with joint liability have been a distinguishing feature of many micronance programs. While such lending has benetted millions of borrowers, major lending insti- tutions have acknowledged their limited impact among the very poor and have recently favored individual contracts. This...