NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH

Group Lending with Heterogeneous Types

Li Gan, Manuel A. Hernandez, Yanyan Liu

NBER Working Paper No. 18847
Issued in February 2013
NBER Program(s):   DEV

Group lending has been widely adopted in the past thirty years by many microfinance institutions as a means to mitigate information asymmetries when delivering credit to the poor. This paper proposes an empirical method to address the potential omitted variable problem resulting from unobserved group types when modeling the repayment behavior of group members. We estimate the model using a rich dataset from a group lending program in India. The estimation results support our model specification and show the advantages of relying on a type-varying method when analyzing the probability of default of group members.

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Document Object Identifier (DOI): 10.3386/w18847

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