4Wenner M. Group credit:A Means to Improve Information transfer and Loan Repayment Performance [ J ]. Journal of De- velopment Studies, 1995, 32(1) : 263 - 281.
5Gomez R, Santor E. Do Peer Group Members Outperform Individual Borrowers a Test of Peer Group Lending Using Cana- dian Microcredit Data[ Z]. Canada: Bank of Canada, 2003.
6Ahlin C, Townsend R. Using Repayment Data to Test across Models of Joint Liability Lending [ J ]. Economic Jour- nal, 2007, 117: Fll -FS1.
7Holmstrom B, P Milgrom. Aggregation and Linearity in the Provision of Intertemporal Incentives[J]. Econometrica, 1987, 55 : 303 - 328.
8Columba F, Leonardo G,Paolo E M. The Effects of MutualGuarantee Consortia on the Quality of Bank Lending[ Z]. Italy: MPRA Paper, 2009.
9Columba F, Leonardo G, Paolo E M. Firms as Monitor of Other Firms: Mutual Guarantee Institutions and SME Finance [ Z ]. Italy: MPRA Paper, 2008.
10De G, Maria S. Mutual Guarantee Associations for Small and Micro- Entrepreneurs: Lessons Learned from Europe and Africa [ J ] . African Development Review, 2003, 15 ( 1 ) : 25 - 45.