Optimal Joint Liability Lending and with Costly Peer Monitoring

F. Carli, R.B. Uras

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This paper characterizes an optimal group loan contract with costly peer monitoring. Using a fairly standard moral hazard framework, we show that the optimal group lending contract could exhibit a joint-liability scheme. However, optimality of joint-liability requires the involvement of a group leader, who heavily takes care of the partner's repayment share in bad states and gets compensated in expected terms. This key result holds even for a group of borrowers, which exhibits homogeneous characteristics in productivity, risk aversion and monitoring costs. Our work rationalizes the widely-applied group-leadership concept of micronance programmes as an outcome of an optimal contract.
Original languageEnglish
Place of PublicationTilburg
Number of pages30
Publication statusPublished - 2 Dec 2014

Publication series

NameEBC Discussion Paper Series


  • micro-finance
  • joint-liability
  • group leader


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