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Libor manipulation?


  • Abrantes-Metz, Rosa M.
  • Kraten, Michael
  • Metz, Albert D.
  • Seow, Gim S.


On May 29, 2008 the Wall Street Journal published an article alleging that several global banks were reporting Libor quotes significantly lower than those implied by prevailing credit default swap (CDS) spreads. While acknowledging that the “analysis doesn’t prove that banks are lying or manipulating Libor,” it nevertheless conjectures that these banks may “have been low-balling their borrowing rates to avoid looking desperate for cash.”

Suggested Citation

  • Abrantes-Metz, Rosa M. & Kraten, Michael & Metz, Albert D. & Seow, Gim S., 2012. "Libor manipulation?," Journal of Banking & Finance, Elsevier, vol. 36(1), pages 136-150.
  • Handle: RePEc:eee:jbfina:v:36:y:2012:i:1:p:136-150 DOI: 10.1016/j.jbankfin.2011.06.014

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    References listed on IDEAS

    1. Rosa Abrantes-Metz & Sofia Villas-Boas & George Judge, 2011. "Tracking the Libor rate," Applied Economics Letters, Taylor & Francis Journals, vol. 18(10), pages 893-899.
    2. Craig Pirrong, 2004. "Detecting Manipulation in Futures Markets: The Ferruzzi Soybean Episode," American Law and Economics Review, Oxford University Press, vol. 6(1), pages 28-71.
    3. George Judge & Laura Schechter, 2009. "Detecting Problems in Survey Data Using Benford’s Law," Journal of Human Resources, University of Wisconsin Press, vol. 44(1).
    4. Patrick Bajari & Lixin Ye, 2003. "Deciding Between Competition and Collusion," The Review of Economics and Statistics, MIT Press, vol. 85(4), pages 971-989, November.
    5. Ashton, John K. & Hudson, Robert S., 2008. "Interest rate clustering in UK financial services markets," Journal of Banking & Finance, Elsevier, vol. 32(7), pages 1393-1403, July.
    6. Christian Ewerhart & Nuno Cassola & Steen Ejerskov & Natacha Valla, 2007. "Manipulation in Money Markets," International Journal of Central Banking, International Journal of Central Banking, vol. 3(1), pages 113-148, March.
    7. Abrantes-Metz, Rosa M. & Froeb, Luke M. & Geweke, John & Taylor, Christopher T., 2006. "A variance screen for collusion," International Journal of Industrial Organization, Elsevier, vol. 24(3), pages 467-486, May.
    8. Jacob Gyntelberg & Philip Wooldridge, 2008. "Interbank rate fixings during the recent turmoil," BIS Quarterly Review, Bank for International Settlements, March.
    9. Robert H. Porter & J. Douglas Zona, 1999. "Ohio School Milk Markets: An Analysis of Bidding," RAND Journal of Economics, The RAND Corporation, vol. 30(2), pages 263-288, Summer.
    10. Gorton, Gary, 1996. "Reputation Formation in Early Bank Note Markets," Journal of Political Economy, University of Chicago Press, vol. 104(2), pages 346-397, April.
    11. Ahn, Sungyoon & Choi, Wooseok, 2009. "The role of bank monitoring in corporate governance: Evidence from borrowers' earnings management behavior," Journal of Banking & Finance, Elsevier, vol. 33(2), pages 425-434, February.
    12. Miles Livingston & Robert E. Miller, 2000. "Investment Bank Reputation and the Underwriting of Nonconvertible Debt," Financial Management, Financial Management Association, vol. 29(2), Summer.
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    More about this item


    Libor; Manipulations; Conspiracies; Collusion; Price-fixing; Bid-rigging; Credit default swap spreads;

    JEL classification:

    • C10 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General - - - General
    • C22 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Time-Series Models; Dynamic Quantile Regressions; Dynamic Treatment Effect Models; Diffusion Processes
    • G14 - Financial Economics - - General Financial Markets - - - Information and Market Efficiency; Event Studies; Insider Trading
    • G24 - Financial Economics - - Financial Institutions and Services - - - Investment Banking; Venture Capital; Brokerage
    • K20 - Law and Economics - - Regulation and Business Law - - - General


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