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Social Connections and Group Banking

  • Dean S. Karlan

    ()

    (Economic Growth Center, Yale University)

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    Lending to the poor is expensive due to high screening, monitoring, and enforcement costs. Group lending advocates believe lenders overcome this by harnessing social connections. Using data from FINCA-Peru, I exploit a quasi-random group formation process to find evidence of peers successfully monitoring and enforcing joint-liability loans. Individuals with stronger social connections to their fellow group members (i.e., either living closer or being of a similar culture) have higher repayment and higher savings. Furthermore, I observe direct evidence that relationships deteriorate after default, and that through successful monitoring, individuals know who to punish and who not to punish after default.

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    File URL: http://www.econ.yale.edu/growth_pdf/cdp913.pdf
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    Paper provided by Economic Growth Center, Yale University in its series Working Papers with number 913.

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    Length: 39 pages
    Date of creation: Jun 2005
    Date of revision:
    Handle: RePEc:egc:wpaper:913
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    1. Eliana La Ferrara, 2003. "Kin Groups and Reciprocity: A Model of Credit Transactions in Ghana," American Economic Review, American Economic Association, vol. 93(5), pages 1730-1751, December.
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      • Glaeser, Edward Ludwig & Laibson, David I. & Scheinkman, Jose A. & Soutter, Christine L., 2000. "Measuring Trust," Scholarly Articles 4481497, Harvard University Department of Economics.
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    6. Hoxby, Caroline & Baqir, Reza & Alesina, Alberto, 2004. "Political Jurisdictions in Heterogeneous Communities," Scholarly Articles 4552532, Harvard University Department of Economics.
    7. Ashok S. Rai & Tomas Sj�str�m, 2004. "Is Grameen Lending Efficient? Repayment Incentives and Insurance in Village Economies," Review of Economic Studies, Oxford University Press, vol. 71(1), pages 217-234.
    8. Maitreesh Ghatak & Timothy W. Guinnane, 1998. "The Economics of Lending with Joint Liability: Theory and Practice," Working Papers 791, Economic Growth Center, Yale University.
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    11. Morduch, Jonathan, 1999. "The role of subsidies in microfinance: evidence from the Grameen Bank," Journal of Development Economics, Elsevier, vol. 60(1), pages 229-248, October.
    12. Knack, Stephen & Keefer, Philip, 1997. "Does Social Capital Have an Economic Payoff? A Cross-Country Investigation," The Quarterly Journal of Economics, MIT Press, vol. 112(4), pages 1251-88, November.
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    14. Diamond, Douglas W, 1984. "Financial Intermediation and Delegated Monitoring," Review of Economic Studies, Wiley Blackwell, vol. 51(3), pages 393-414, July.
    15. repec:hrv:faseco:4553034 is not listed on IDEAS
    16. Jonathan Morduch, 1999. "The Microfinance Promise," Journal of Economic Literature, American Economic Association, vol. 37(4), pages 1569-1614, December.
    17. Ghatak, Maitreesh, 1999. "Group lending, local information and peer selection," Journal of Development Economics, Elsevier, vol. 60(1), pages 27-50, October.
    18. Uphoff, Norman & Wijayaratna, C. M., 2000. "Demonstrated Benefits from Social Capital: The Productivity of Farmer Organizations in Gal Oya, Sri Lanka," World Development, Elsevier, vol. 28(11), pages 1875-1890, November.
    19. de Aghion, Beatriz Armendariz & Gollier, Christian, 2000. "Peer Group Formation in an Adverse Selection Model," Economic Journal, Royal Economic Society, vol. 110(465), pages 632-43, July.
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    21. Christian Ahlin & Robert Townsend, 2002. "Using Repayment Data to Test Across Models of Joint Liability Lending," Vanderbilt University Department of Economics Working Papers 0227, Vanderbilt University Department of Economics.
    22. Dean S. Karlan, 2005. "Using Experimental Economics to Measure Social Capital and Predict Financial Decisions," American Economic Review, American Economic Association, vol. 95(5), pages 1688-1699, December.
    23. Ellison, G. & Glaeser, E.L., 1994. "Geographic Concentration in U.S. Manufacturing Industries: A Dartboard Approach," Working papers 94-27, Massachusetts Institute of Technology (MIT), Department of Economics.
    24. Banerjee, Abhijit V & Besley, Timothy & Guinnane, Timothy W, 1994. "Thy Neighbor's Keeper: The Design of a Credit Cooperative with Theory and a Test," The Quarterly Journal of Economics, MIT Press, vol. 109(2), pages 491-515, May.
    25. Wydick, Bruce, 1999. "Can Social Cohesion Be Harnessed to Repair Market Failures? Evidence from Group Lending in Guatemala," Economic Journal, Royal Economic Society, vol. 109(457), pages 463-75, July.
    26. Armendariz de Aghion, Beatriz, 1999. "On the design of a credit agreement with peer monitoring," Journal of Development Economics, Elsevier, vol. 60(1), pages 79-104, October.
    27. Dean S. Karlan, 2005. "Using Experimental Economics to Measure Social Capital And Predict Financial Decisions," Working Papers 909, Economic Growth Center, Yale University.
    28. Ghatak, Maitreesh, 2000. "Screening by the Company You Keep: Joint Liability Lending and the Peer Selection Effect," Economic Journal, Royal Economic Society, vol. 110(465), pages 601-31, July.
    29. Varian, H.R., 1989. "Monitoring Agents With Other Agents," Papers 89-18, Michigan - Center for Research on Economic & Social Theory.
    30. Ashok S. Rai & Tomas Sj–str–m, 2004. "Is Grameen Lending Efficient? Repayment Incentives and Insurance in Village Economies," Review of Economic Studies, Wiley Blackwell, vol. 71(1), pages 217-234, 01.
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