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Social Connections and Group Banking

  • Dean S. Karlan

    ()

    (Economic Growth Center, Yale University)

Registered author(s):

    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. Maitreesh Ghatak & Timothy W. Guinnane, 1998. "The Economics of Lending with Joint Liability: Theory and Practice," Working Papers 791, Economic Growth Center, Yale University.
    2. Stephen Knack & Philip Keefer, 1997. "Does Social Capital Have an Economic Payoff? A Cross-Country Investigation," The Quarterly Journal of Economics, Oxford University Press, vol. 112(4), pages 1251-1288.
    3. Ashok S. Rai & Tomas Sjöström, 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.
    4. 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.
    5. La Ferrara, Eliana, 2003. "Kin Groups and Reciprocity: A Model of Credit Transactions in Ghana," CEPR Discussion Papers 3705, C.E.P.R. Discussion Papers.
    6. Douglas W. Diamond, 1984. "Financial Intermediation and Delegated Monitoring," Review of Economic Studies, Oxford University Press, vol. 51(3), pages 393-414.
    7. Luigi Guiso & Paola Sapienza & Luigi Zingales, 2000. "The Role of Social Capital in Financial Development," CRSP working papers 511, Center for Research in Security Prices, Graduate School of Business, University of Chicago.
    8. Alberto Alesina & Reza Baqir & Caroline Hoxby, 2002. "Political Jurisdictions in Heterogeneous Communities," Harvard Institute of Economic Research Working Papers 1949, Harvard - Institute of Economic Research.
    9. Besley, Timothy & Coate, Stephen & Loury, Glenn, 1993. "The Economics of Rotating Savings and Credit Associations," American Economic Review, American Economic Association, vol. 83(4), pages 792-810, September.
    10. 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.
    11. Garance Genicot & Debraj Ray, 2003. "Group Formation in Risk-Sharing Arrangements," Review of Economic Studies, Oxford University Press, vol. 70(1), pages 87-113.
    12. 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.
    13. 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.
    14. 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.
    15. Alberto Alesina & Eliana La Ferrara, 2000. "The Determinants of Trust," NBER Working Papers 7621, National Bureau of Economic Research, Inc.
    16. Guinnane, T. & Banerjee, A. & Besley, T., 1993. "Thy Neighbor's Keeper: the Design of a Credit Cooperative with Theory and a Test," Papers 705, Yale - Economic Growth Center.
    17. Besley, T. & Coate, S., 1991. "Group Lending, Repayment Incentives And Social Collateral," Papers 152, Princeton, Woodrow Wilson School - Development Studies.
    18. Pollak, Robert A, 1985. "A Transaction Cost Approach to Families and Households," Journal of Economic Literature, American Economic Association, vol. 23(2), pages 581-608, June.
    19. Dean S. Karlan, 2005. "Using Experimental Economics to Measure Social Capital And Predict Financial Decisions," Working Papers 909, Economic Growth Center, Yale University.
    20. 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.
    21. 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.
    22. Zak, Paul J & Knack, Stephen, 2001. "Trust and Growth," Economic Journal, Royal Economic Society, vol. 111(470), pages 295-321, April.
    23. Glaeser, Edward Ludwig & Laibson, David I. & Scheinkman, Jose A. & Soutter, Christine L., 2000. "Measuring Trust," Scholarly Articles 4481497, Harvard University Department of Economics.
    24. Ghatak, Maitreesh, 1999. "Group lending, local information and peer selection," Journal of Development Economics, Elsevier, vol. 60(1), pages 27-50, October.
    25. Jonathan Morduch, 1999. "The Microfinance Promise," Journal of Economic Literature, American Economic Association, vol. 37(4), pages 1569-1614, December.
    26. 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.
    27. repec:hrv:faseco:4553034 is not listed on IDEAS
    28. Varian, H.R., 1989. "Monitoring Agents With Other Agents," Papers 89-18, Michigan - Center for Research on Economic & Social Theory.
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