This paper proposes and implements a mixture model to account for the unobserved group heterogeneity when modeling repayment behavior in group lending. We discuss the model properties and identification. We estimate the model using a rich dataset from a group lending program in India. The...

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...