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Role and Effects of Credit Information Sharing

Information sharing about borrowers’ characteristics and their indebtedness can have important effects on credit markets activity. First, it improves the banks’ knowledge of applicants’ characteristics and permits a more accurate prediction of their repayment probabilities. Second, it reduces the informational rents that banks could otherwise extract from their customers. Third, it can operate as a borrower discipline device. Finally, it eliminates borrowers’ incentive to become over-indebted by drawing credit simultaneously from many banks without any of them realizing. This chapter provides a brief account of models that capture these four effects of information sharing on credit market performance, as well as of the growing body of empirical studies that have attempted to investigate the various dimensions and effects of credit reporting activity. Understanding the effects of information sharing also helps to shed light on some key issues in the design of a credit information system, such as the relationship between public and private mechanisms, the dosage between black and white information sharing, and the “memory” of the system. Merging the insights from theoretical models with the lessons of experience, one can avoid serious pitfalls in the design of credit information systems.

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Paper provided by Centre for Studies in Economics and Finance (CSEF), University of Naples, Italy in its series CSEF Working Papers with number 136.

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Date of creation: 01 Apr 2005
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Publication status: Published in "The Economics of Consumer Credit: European Experience and Lessons from the U.S", edited by G. Bertola, R. Disney, and C. Grant, Cambridge: The MIT Press, 2006.
Handle: RePEc:sef:csefwp:136
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  1. Armando Castelar Pinneiro & Célia Cabral, 1999. "Credit Markets in Brazil: The Role of Judicial Enforcement and Other Institutions," Research Department Publications 3066, Inter-American Development Bank, Research Department.
  2. Pagano, Marco & Jappelli, Tullio, 1993. " Information Sharing in Credit Markets," Journal of Finance, American Finance Association, vol. 48(5), pages 1693-1718, December.
  3. Rafael LaPorta & Florencio Lopez-de-Silanes & Andrei Shleifer & Robert W. Vishny, . "Legal Determinants of External Finance," Working Paper 19443, Harvard University OpenScholar.
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  6. Bizer, David S & DeMarzo, Peter M, 1992. "Sequential Banking," Journal of Political Economy, University of Chicago Press, vol. 100(1), pages 41-61, February.
  7. Marco Becht & Fabrizio Barca, 2001. "The control of corporate Europe," ULB Institutional Repository 2013/13302, ULB -- Universite Libre de Bruxelles.
  8. Margaret J. Miller (ed.), 2003. "Credit Reporting Systems and the International Economy," MIT Press Books, The MIT Press, edition 1, volume 1, number 0262134225, June.
  9. Inessa Love & Nataliya Mylenko, 2003. "Credit reporting and financing constraints," Policy Research Working Paper Series 3142, The World Bank.
  10. Gehrig, Thomas & Stenbacka, Rune, 2007. "Information sharing and lending market competition with switching costs and poaching," European Economic Review, Elsevier, vol. 51(1), pages 77-99, January.
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