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Information Sharing in Banking: A Collusive Device?

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  • Gehrig, Thomas
  • Stenbacka, Rune

Abstract

We show that information sharing among banks may serve as a collusive device. An informational sharing agreement is an a-priori commitment to reduce informational asymmetries between banks in future lending. Hence, information sharing tends to increase the intensity of competition in future periods and, thus, reduces the value of informational rents in current competition. We contribute to the existing literature by emphasising that a reduction in informational rents will also reduce the intensity of competition in the current period, thereby reducing competitive pressure in current credit markets. We provide a large class of economic environments, where a ban on information sharing would be strictly welfare enhancing.

Suggested Citation

  • Gehrig, Thomas & Stenbacka, Rune, 2001. "Information Sharing in Banking: A Collusive Device?," CEPR Discussion Papers 2911, C.E.P.R. Discussion Papers.
  • Handle: RePEc:cpr:ceprdp:2911
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    References listed on IDEAS

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    1. Pagano, Marco & Jappelli, Tullio, 1993. " Information Sharing in Credit Markets," Journal of Finance, American Finance Association, vol. 48(5), pages 1693-1718, December.
    2. Esther Gal-or, 1986. "Information Transmission—Cournot and Bertrand Equilibria," Review of Economic Studies, Oxford University Press, vol. 53(1), pages 85-92.
    3. Paul Klemperer, 1995. "Competition when Consumers have Switching Costs: An Overview with Applications to Industrial Organization, Macroeconomics, and International Trade," Review of Economic Studies, Oxford University Press, vol. 62(4), pages 515-539.
    4. Gal-Or, Esther, 1985. "Information Sharing in Oligopoly," Econometrica, Econometric Society, vol. 53(2), pages 329-343, March.
    5. Mitchell A. Petersen & Raghuram G. Rajan, 1995. "The Effect of Credit Market Competition on Lending Relationships," The Quarterly Journal of Economics, Oxford University Press, vol. 110(2), pages 407-443.
    6. Padilla, A. Jorge & Pagano, Marco, 2000. "Sharing default information as a borrower discipline device," European Economic Review, Elsevier, vol. 44(10), pages 1951-1980, December.
    7. Kai-Uwe Kühn, 2001. "Fighting collusion by regulating communication between firms," Economic Policy, CEPR;CES;MSH, vol. 16(32), pages 167-204, April.
    8. Paul Klemperer, 1987. "Markets with Consumer Switching Costs," The Quarterly Journal of Economics, Oxford University Press, vol. 102(2), pages 375-394.
    9. Raith, Michael, 1996. "A General Model of Information Sharing in Oligopoly," Journal of Economic Theory, Elsevier, vol. 71(1), pages 260-288, October.
    10. Jappelli, Tullio & Pagano, Marco, 2002. "Information sharing, lending and defaults: Cross-country evidence," Journal of Banking & Finance, Elsevier, vol. 26(10), pages 2017-2045, October.
    11. Padilla, A Jorge & Pagano, Marco, 1997. "Endogenous Communication among Lenders and Entrepreneurial Incentives," Review of Financial Studies, Society for Financial Studies, vol. 10(1), pages 205-236.
    12. Carl Shapiro, 1986. "Exchange of Cost Information in Oligopoly," Review of Economic Studies, Oxford University Press, vol. 53(3), pages 433-446.
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    Citations

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    Cited by:

    1. Caterina Giannetti & Nicola Jentzsch & Giancarlo Spagnolo, 2010. "Information Sharing and Cross-border Entry in European Banking," CEIS Research Paper 178, Tor Vergata University, CEIS, revised 21 Dec 2010.
    2. Byung-Cheol Kim & Jay Pil Choi, 2010. "Customer Information Sharing: Strategic Incentives and New Implications," Journal of Economics & Management Strategy, Wiley Blackwell, vol. 19(2), pages 403-433, June.
    3. Tassel, Eric Van, 2006. "Relationship lending under asymmetric information: A case of blocked entry," International Journal of Industrial Organization, Elsevier, vol. 24(5), pages 915-929, September.
    4. Jan Bouckaert & Hans Degryse, 2002. "Softening Competition by Enhancing Entry: An Example from the Banking Industry," CSEF Working Papers 85, Centre for Studies in Economics and Finance (CSEF), University of Naples, Italy.
    5. Hyytinen, Ari, 2003. "Information production and lending market competition," Journal of Economics and Business, Elsevier, vol. 55(3), pages 233-253.
    6. Udo Broll & Thilo Pausch & Peter Welzel, 2002. "Credit Risk and Credit Derivatives in Banking," Discussion Paper Series 228, Universitaet Augsburg, Institute for Economics.
    7. Gehrig, Thomas & Stenbacka, Rune, 2002. "Introductory Offers in a Model of Strategic Competition," CEPR Discussion Papers 3189, C.E.P.R. Discussion Papers.
    8. Gehrig, Thomas & Stenbacka, Rune, 2001. "Screening Cycles," CEPR Discussion Papers 2915, C.E.P.R. Discussion Papers.
    9. Djedidi-Kooli, Salima, 2009. "L’accès au financement des PME en France : quel rôle joué par la structure du système bancaire ?," Economics Thesis from University Paris Dauphine, Paris Dauphine University, number 123456789/8354 edited by Etner, François, October.
    10. Hyytinen, Ari, 2001. "Information Production, Banking Competition and the Market Structure of the Banking Industry," Discussion Papers 749, The Research Institute of the Finnish Economy.
    11. Bouckaert, Jan & Degryse, Hans, 2001. "Borrower Poaching and Information Display in Credit Markets," CEPR Discussion Papers 2936, C.E.P.R. Discussion Papers.
    12. Thomas Gehrig & Rune Stenbacka, 2003. "Venture Cycles: Theory and Evidence," CESifo Working Paper Series 882, CESifo Group Munich.
    13. 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.
    14. Tlili, Rim, 2012. "Comment justifier la multibancarité au sein des PME ?," Economics Thesis from University Paris Dauphine, Paris Dauphine University, number 123456789/10919 edited by Etner, François, October.

    More about this item

    Keywords

    collusion; imperfectly competitive credit markets; information sharing;

    JEL classification:

    • D82 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Asymmetric and Private Information; Mechanism Design
    • G21 - Financial Economics - - Financial Institutions and Services - - - Banks; Other Depository Institutions; Micro Finance Institutions; Mortgages
    • L15 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Information and Product Quality

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