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Social Connections and Group Banking

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Author Info
Dean S. Karlan () (Economic Growth Center, Yale University)

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Abstract

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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Publisher Info
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
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Handle: RePEc:egc:wpaper:913

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Related research
Keywords: Microfinance Group lending informal savings social capital

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Find related papers by JEL classification:
O12 - Economic Development, Technological Change, and Growth - - Economic Development - - - Microeconomic Analyses of Economic Development
O16 - Economic Development, Technological Change, and Growth - - Economic Development - - - Financial Markets; Saving and Capital Investment
O17 - Economic Development, Technological Change, and Growth - - Economic Development - - - Formal and Informal Sectors; Shadow Economy; Institutional Arrangements
Z13 - Other Special Topics - - Cultural Economics - - - Social Norms and Social Capital; Social Networks Economic Anthropology

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Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
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    Other versions:
  2. 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. [Downloadable!] (restricted)
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  4. Gine, Xavier & Karlan, Dean S., 2006. "Group versus individual liability : a field experiment in the Philippines," Policy Research Working Paper Series 4008, The World Bank. [Downloadable!]
    Other versions:
  5. Garance Genicot & Debraj Ray, 2003. "Group Formation in Risk--Sharing Arrangements," Review of Economic Studies, Blackwell Publishing, vol. 70(1), pages 87-113, January.
  6. Dean S. Karlan, 2005. "Using Experimental Economics to Measure Social Capital And Predict Financial Decisions," Working Papers 909, Economic Growth Center, Yale University. [Downloadable!]
    Other versions:
  7. Luigi Guiso & Paola Sapienza & Luigi Zingales, 2004. "The Role of Social Capital in Financial Development," American Economic Review, American Economic Association, vol. 94(3), pages 526-556, June. [Downloadable!] (restricted)
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  8. Besley, Timothy & Coate, Stephen, 1995. "Group lending, repayment incentives and social collateral," Journal of Development Economics, Elsevier, vol. 46(1), pages 1-18, February. [Downloadable!] (restricted)
    Other versions:
  9. 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. [Downloadable!] (restricted)
    Other versions:
  10. 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. [Downloadable!] (restricted)
    Other versions:
  11. 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. [Downloadable!] (restricted)
  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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    Other versions:
  14. Gine, Xavier & Jakiela, Pamela & Karlan, Dean & Morduch, Jonathan, 2006. "Microfinance games," Policy Research Working Paper Series 3959, The World Bank. [Downloadable!]
    Other versions:
    • Xavier Gine & Pamela Jakiela & Dean Karlan & Jonathan Morduch, 2006. "Microfinance Games," Working Papers 2102, The Field Experiments Website. [Downloadable!]
    • Dean Karlan & Xavier Gine & Jonathan Morduch & Pamela Jakiela, 2006. "Microfinance Games," Working Papers 936, Economic Growth Center, Yale University. [Downloadable!]
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  19. Varian, H.R., 1989. "Monitoring Agents With Other Agents," Papers 89-18, Michigan - Center for Research on Economic & Social Theory.
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  24. Ghatak, Maitreesh, 1999. "Group lending, local information and peer selection," Journal of Development Economics, Elsevier, vol. 60(1), pages 27-50, October. [Downloadable!] (restricted)
  25. Jonathan Morduch, 1999. "The Microfinance Promise," Journal of Economic Literature, American Economic Association, vol. 37(4), pages 1569-1614, December. [Downloadable!] (restricted)
  26. 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. [Downloadable!] (restricted)
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  29. Ellison, Glenn & Glaeser, Edward L, 1997. "Geographic Concentration in U.S. Manufacturing Industries: A Dartboard Approach," Journal of Political Economy, University of Chicago Press, vol. 105(5), pages 889-927, October.
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  30. 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. [Downloadable!] (restricted)
  31. 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. [Downloadable!] (restricted)
  32. 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. [Downloadable!] (restricted)
  33. Dean S. Karlan, 2004. "Using Experimental Economics to Measure Social Capital and Predict Financial Decisions," Artefactual Field Experiments 0062, The Field Experiments Website. [Downloadable!]
Full references

Cited by:
(explanations, Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.)

  1. 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. [Downloadable!] (restricted)
    Other versions:
  2. Klonner, Stefan & Rai, Ashok S., 2007. "Cosigners Help," Proceedings of the German Development Economics Conference, Göttingen 2007 18, Verein für Socialpolitik, Research Committee Development Economics. [Downloadable!]
  3. Gine, Xavier & Karlan, Dean S., 2006. "Group versus individual liability : a field experiment in the Philippines," Policy Research Working Paper Series 4008, The World Bank. [Downloadable!]
    Other versions:
  4. Christian Ahlin & Neville Jiang, 2005. "Can Micro-Credit Bring Development?," Working Papers 05019, Department of Economics, Vanderbilt University. [Downloadable!]
  5. Gine, Xavier & Jakiela, Pamela & Karlan, Dean & Morduch, Jonathan, 2006. "Microfinance games," Policy Research Working Paper Series 3959, The World Bank. [Downloadable!]
    Other versions:
    • Xavier Gine & Pamela Jakiela & Dean Karlan & Jonathan Morduch, 2006. "Microfinance Games," Working Papers 2102, The Field Experiments Website. [Downloadable!]
    • Dean Karlan & Xavier Gine & Jonathan Morduch & Pamela Jakiela, 2006. "Microfinance Games," Working Papers 936, Economic Growth Center, Yale University. [Downloadable!]
  6. Karlan, Dean S. & Zinman, Jonathan, 2007. "Observing Unobservables: Identifying Information Asymmetries with a Consumer Credit Field Experiment," CEPR Discussion Papers 6182, C.E.P.R. Discussion Papers. [Downloadable!] (restricted)
    Other versions:
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