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Reforming LIBOR and Other Financial Market Benchmarks

Author

Listed:
  • Darrell Duffie
  • Jeremy C. Stein

Abstract

LIBOR is the London Interbank Offered Rate: a measure of the interest rate at which large banks can borrow from one another on an unsecured basis. LIBOR is often used as a benchmark rate—meaning that the interest rates that consumers and businesses pay on trillions of dollars in loans adjust up and down contractually based on movements in LIBOR. Investors also rely on the difference between LIBOR and various risk-free interest rates as a gauge of stress in the banking system. Benchmarks such as LIBOR therefore play a central role in modern financial markets. Thus, news reports in 2008 revealing widespread manipulation of LIBOR threatened the integrity of this benchmark and lowered trust in financial markets. We begin with a discussion of the economic role of benchmarks in reducing market frictions. We explain how manipulation occurs in practice, and illustrate how benchmark definitions and fixing methods can mitigate manipulation. We then turn to an overall policy approach for reducing the susceptibility of LIBOR to manipulation before focusing on the practical problem of how to make an orderly transition to alternative reference rates without raising undue legal risks.

Suggested Citation

  • Darrell Duffie & Jeremy C. Stein, 2015. "Reforming LIBOR and Other Financial Market Benchmarks," Journal of Economic Perspectives, American Economic Association, vol. 29(2), pages 191-212, Spring.
  • Handle: RePEc:aea:jecper:v:29:y:2015:i:2:p:191-212
    Note: DOI: 10.1257/jep.29.2.191
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    References listed on IDEAS

    as
    1. David Hou Author-Name: David Skeie, 2013. "LIBOR: origins, economics, crisis, scandal and reform," The New Palgrave Dictionary of Economics,, Palgrave Macmillan.
    2. Darrell Duffie & David R. Skeie & James Vickery, 2013. "A sampling-window approach to transactions-based Libor fixing," Staff Reports 596, Federal Reserve Bank of New York.
    3. Darrell Duffie & Piotr Dworczak, 2014. "Robust Benchmark Design," NBER Working Papers 20540, National Bureau of Economic Research, Inc.
    Full references (including those not matched with items on IDEAS)

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    More about this item

    JEL classification:

    • G21 - Financial Economics - - Financial Institutions and Services - - - Banks; Other Depository Institutions; Micro Finance Institutions; Mortgages
    • G28 - Financial Economics - - Financial Institutions and Services - - - Government Policy and Regulation

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