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Structured Debt Ratings: Evidence on Conflicts of Interest

Author

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  • Matthias Efing

    (HEC Paris - Finance Department; Centre for Economic Policy Research (CEPR); CESifo (Center for Economic Studies and Ifo Institute for Economic Research))

  • Harald Hau

    (University of Geneva - Geneva Finance Research Institute (GFRI); Swiss Finance Institute; Centre for Economic Policy Research (CEPR); CESifo (Center for Economic Studies and Ifo Institute))

Abstract

This paper tests for conflicts of interest in the rating process of asset- and mortgage-backed securities based on a new aggregation method for a deal's different tranche ratings. Controlling for a large set of determinants of credit risk, we find that credit rating agencies provide better credit ratings for the structured products of those issuers that provide them with more overall bilateral rating business. This effect is particularly pronounced in the run-up to the subprime crisis and for structured products with the worst collateral. Rating favors to the largest clients generate economically significant competitive distortion, foster issuer concentration and contribute to the"too big to fail" status of large issuer banks.

Suggested Citation

  • Matthias Efing & Harald Hau, 2013. "Structured Debt Ratings: Evidence on Conflicts of Interest," Swiss Finance Institute Research Paper Series 13-21, Swiss Finance Institute.
  • Handle: RePEc:chf:rpseri:rp1321
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    Cited by:

    1. Mariassunta Giannetti & José María Liberti & Jason Sturgess, 2017. "Information Sharing and Rating Manipulation," Review of Financial Studies, Society for Financial Studies, vol. 30(9), pages 3269-3304.
    2. Morkoetter, Stefan & Stebler, Roman & Westerfeld, Simone, 2017. "Competition in the credit rating Industry: Benefits for investors and issuers," Journal of Banking & Finance, Elsevier, vol. 75(C), pages 235-257.
    3. Markus K. Brunnermeier & Sam Langfield & Marco Pagano & Ricardo Reis & Stijn Van Nieuwerburgh & Dimitri Vayanos, 2017. "ESBies: safety in the tranches," Economic Policy, CEPR;CES;MSH, vol. 32(90), pages 175-219.
    4. Kempf, Elisabeth, 2020. "The job rating game: Revolving doors and analyst incentives," Journal of Financial Economics, Elsevier, vol. 135(1), pages 41-67.
    5. Michael R King & Steven Ongena & Nikola Tarashev, 2016. "Bank standalone credit ratings," BIS Working Papers 542, Bank for International Settlements.
    6. Baghai, Ramin P. & Becker, Bo, 2018. "Non-rating revenue and conflicts of interest," Journal of Financial Economics, Elsevier, vol. 127(1), pages 94-112.
    7. Efing, Matthias, 2015. "Arbitraging the Basel securitization framework: Evidence from German ABS investment," Discussion Papers 40/2015, Deutsche Bundesbank.
    8. Martin Kuncl, 2016. "Fragility of Resale Markets for Securitized Assets and Policy of Asset Purchases," Staff Working Papers 16-46, Bank of Canada.
    9. Faiza Sajjad & Muhammad Zakaria, 2018. "Credit Ratings and Liquidity Risk for the Optimization of Debt Maturity Structure," Journal of Risk and Financial Management, MDPI, Open Access Journal, vol. 11(2), pages 1-16, May.
    10. Deena Zaidi, 2015. "Eurozone Debt Crisis and Regulation of Credit Rating Agencies," Global Credit Review (GCR), World Scientific Publishing Co. Pte. Ltd., vol. 5(01), pages 99-111.
    11. Baghai, Ramin P. & Becker, Bo, 2018. "Reputations and credit ratings: evidence from commercial mortgage-backed securities," CEPR Discussion Papers 12648, C.E.P.R. Discussion Papers.
    12. Baghai, Ramin P. & Becker, Bo, 2020. "Reputations and credit ratings: Evidence from commercial mortgage-backed securities," Journal of Financial Economics, Elsevier, vol. 135(2), pages 425-444.
    13. Deku, Solomon Y. & Kara, Alper & Zhou, Yifan, 2019. "Securitization, bank behaviour and financial stability: A systematic review of the recent empirical literature," International Review of Financial Analysis, Elsevier, vol. 61(C), pages 245-254.
    14. Kilian R. Dinkelaker & Andreas-Walter Mattig & Stefan Morkoetter, 2019. "A Closer Look at Credt Rating Processes: Uncovering the Impact of Analyst Rotation," Working Papers on Finance 1911, University of St. Gallen, School of Finance.

    More about this item

    Keywords

    Credit Ratings; Ratings Inflation; Conflicts of Interest; Structured Debt;

    JEL classification:

    • G01 - Financial Economics - - General - - - Financial Crises
    • G10 - Financial Economics - - General Financial Markets - - - General (includes Measurement and Data)
    • G24 - Financial Economics - - Financial Institutions and Services - - - Investment Banking; Venture Capital; Brokerage

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