8Stiglitz J. Peer Monitoring and Credit Markets [J].World Bank Economic Review, 1990, (03).
9Conning J. of Pirates and Moneylenders: Financial Intermediation and the changing pattern of credit access in a rural market in Chile [R]. Department of Economics, Williams College working Paper, 2000.
10Ghatak, M. Group lending, local information and peer selection[J]. Journal of Development Economics, 1999, (01) .