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Information Sharing in Banking: A Collusive Device?

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Author Info
Gehrig, Thomas
Stenbacka, Rune

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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.

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Publisher Info
Paper provided by C.E.P.R. Discussion Papers in its series CEPR Discussion Papers with number 2911.

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Date of creation: Aug 2001
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Handle: RePEc:cpr:ceprdp:2911

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Related research
Keywords: collusion; imperfectly competitive credit markets; information sharing;

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Find related papers by JEL classification:
D82 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Asymmetric and Private Information
G21 - Financial Economics - - Financial Institutions and Services - - - Banks; Other Depository Institutions; Mortgages
L15 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Information and Product Quality

References listed on IDEAS
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. Klemperer, Paul, 1995. "Competition When Consumers Have Switching Costs: An Overview with Applications to Industrial Organization, Macroeconomics, and International Trade," Review of Economic Studies, Blackwell Publishing, vol. 62(4), pages 515-39, October. [Downloadable!] (restricted)
  2. Tullio Jappelli & Marco Pagano, 1999. "Information Sharing, Lending and Defaults: Cross-Country Evidence," CSEF Working Papers 22, Centre for Studies in Economics and Finance (CSEF), University of Naples, Italy. [Downloadable!]
    Other versions:
  3. Gal-Or, Esther, 1986. "Information Transmission-Cournot and Bertrand Equilibria," Review of Economic Studies, Blackwell Publishing, vol. 53(1), pages 85-92, January. [Downloadable!] (restricted)
  4. Pagano, Marco & Jappelli, Tullio, 1993. " Information Sharing in Credit Markets," Journal of Finance, American Finance Association, vol. 48(5), pages 1693-1718, December. [Downloadable!] (restricted)
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  5. Petersen, Mitchell A & Rajan, Raghuram G, 1995. "The Effect of Credit Market Competition on Lending Relationships," The Quarterly Journal of Economics, MIT Press, vol. 110(2), pages 407-43, May. [Downloadable!] (restricted)
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  6. Paul Klemperer, 1987. "The Competitiveness of Markets with Switching Costs," RAND Journal of Economics, The RAND Corporation, vol. 18(1), pages 138-150, Spring. [Downloadable!] (restricted)
  7. Klemperer, Paul, 1987. "Markets with Consumer Switching Costs," The Quarterly Journal of Economics, MIT Press, vol. 102(2), pages 375-94, May. [Downloadable!] (restricted)
  8. Raith, Michael, 1996. "A General Model of Information Sharing in Oligopoly," Journal of Economic Theory, Elsevier, vol. 71(1), pages 260-288, October. [Downloadable!] (restricted)
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  9. 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. [Downloadable!] (restricted)
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  10. Shapiro, Carl, 1986. "Exchange of Cost Information in Oligopoly," Review of Economic Studies, Blackwell Publishing, vol. 53(3), pages 433-46, July. [Downloadable!] (restricted)
  11. Padilla, A Jorge & Pagano, Marco, 1997. "Endogenous Communication among Lenders and Entrepreneurial Incentives," Review of Financial Studies, Oxford University Press for Society for Financial Studies, vol. 10(1), pages 205-36.
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  12. Gal-Or, Esther, 1985. "Information Sharing in Oligopoly," Econometrica, Econometric Society, vol. 53(2), pages 329-43, March. [Downloadable!] (restricted)
  13. Kai-Uwe Kühn, 2001. "Fighting collusion by regulating communication between firms," Economic Policy, CEPR, CES, MSH, vol. 16(32), pages 167-204, 04. [Downloadable!] (restricted)
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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. Bouckaert, J. & Degryse, H., 2002. "Softening competition by enhancing entry: : an example from the banking industry," Discussion Paper 86, Tilburg University, Center for Economic Research. [Downloadable!]
    Other versions:
  2. Ari Hyytinen, 2001. "Information Production, Banking Competition and the Market Structure of the Banking Industry," Discussion Papers 749, The Research Institute of the Finnish Economy. [Downloadable!]
  3. Bouckaert, J. & Degryse, H., 2001. "Borrower poaching and information display in credit markets," Discussion Paper 41, Tilburg University, Center for Economic Research. [Downloadable!]
    Other versions:
  4. Udo Broll & Thilo Pausch & Peter Welzel, 2002. "Credit Risk and Credit Derivatives in Banking," Discussion Paper Series 228, Universitaet Augsburg, Institute for Economics. [Downloadable!]
  5. Gehrig, Thomas & Stenbacka, Rune, 2002. "Introductory Offers in a Model of Strategic Competition," CEPR Discussion Papers 3189, C.E.P.R. Discussion Papers. [Downloadable!] (restricted)
  6. Gehrig, Thomas & Stenbacka, Rune, 2001. "Screening Cycles," CEPR Discussion Papers 2915, C.E.P.R. Discussion Papers. [Downloadable!] (restricted)
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