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Do reputational concerns lead to reliable ratings?

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  • Mariano, Beatriz

Abstract

This paper examines to what extent reputational concerns give rating agencies incentives to reveal information. It demonstrates that, in a simple model in which a rating agency has public and private information about a project, it may ignore private information and even contradict public information in an attempt to minimize reputational costs. A monopolistic agency can act conservatively by issuing too many bad ratings when a project is expected to be good based on private and public information. In a competitive setting, an agency becomes bolder and can issue too many good ratings when a project is expected to be bad based on private and public information. The paper provides a reason for why competition in the ratings industry might lead to overly optimistic ratings even in the absence of conflicts of interest.

Suggested Citation

  • Mariano, Beatriz, 2008. "Do reputational concerns lead to reliable ratings?," LSE Research Online Documents on Economics 24433, London School of Economics and Political Science, LSE Library.
    • Handle: RePEc:ehl:lserod:24433
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    File URL: http://eprints.lse.ac.uk/24433/
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    Cited by:

    1. Patrick Bolton & Xavier Freixas & Joel Shapiro, 2012. "The Credit Ratings Game," Journal of Finance, American Finance Association, vol. 67(1), pages 85-112, February.
    2. Li, Ming & Tymofiy Mylovanov, 2009. "Credibility for Sale: the Effect of Disclosure on Information Acquisition and Transmission," Working Papers 09008, Concordia University, Department of Economics, revised Oct 2009.
    3. Ashcraft, A. & Goldsmith-Pinkham, P. & Vickery, J., 2010. "MBS Ratings and the Mortgage Credit Boom," Other publications TiSEM aea4b6fb-eb57-49d4-a347-f, Tilburg University, School of Economics and Management.
    4. Bar-Isaac, Heski & Shapiro, Joel, 2013. "Ratings quality over the business cycle," Journal of Financial Economics, Elsevier, vol. 108(1), pages 62-78.
    5. Loerke, Petra & Niedermayer, Andreas, 2015. "Crises and Rating Agencies," Discussion Paper Series of SFB/TR 15 Governance and the Efficiency of Economic Systems 521, Free University of Berlin, Humboldt University of Berlin, University of Bonn, University of Mannheim, University of Munich.
    6. Miele, Maria Grazia, 2012. "The financial crisis and the credit rating agencies: the failure of reputation," MPRA Paper 48159, University Library of Munich, Germany.

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    More about this item

    Keywords

    reputation; rating agencies; competition; conformism; conservatism; boldness;
    All these keywords.

    JEL classification:

    • G1 - Financial Economics - - General Financial Markets
    • D82 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Asymmetric and Private Information; Mechanism Design
    • G24 - Financial Economics - - Financial Institutions and Services - - - Investment Banking; Venture Capital; Brokerage

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