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Financial Innovation and Financial Fragility

Author

Listed:
  • Nicola Gennaioli

    (UPF and CREI)

  • Andrei Shleifer

    (Harvard University)

  • Robert Vishny

    (University of Chicago)

Abstract

We present a standard model of financial innovation, in which intermediaries engineer securities with cash flows that investors seek, but modify two assumptions. First, investors (and possibly intermediaries) neglect certain unlikely risks. Second, investors demand securities with safe cash flows. Financial intermediaries cater to these preferences and beliefs by engineering securities perceived to be safe but exposed to neglected risks. Because the risks are neglected, security issuance is excessive. As investors eventually recognize these risks, they fly back to safety of traditional securities and markets become fragile, even without leverage, precisely because the volume of new claims is excessive. Financial innovation can make both investors and intermediaries worse off. The model mimics several facts from recent historical experiences, and points to new avenues for financial reform.

Suggested Citation

  • Nicola Gennaioli & Andrei Shleifer & Robert Vishny, 2010. "Financial Innovation and Financial Fragility," Working Papers 2010.114, Fondazione Eni Enrico Mattei.
    • Handle: RePEc:fem:femwpa:2010.114
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    References listed on IDEAS

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    More about this item

    Keywords

    Financial Innovation; Financial Fragility; Securities; Risks;
    All these keywords.

    JEL classification:

    • G - Financial Economics
    • G11 - Financial Economics - - General Financial Markets - - - Portfolio Choice; Investment Decisions
    • G15 - Financial Economics - - General Financial Markets - - - International Financial Markets
    • G2 - Financial Economics - - Financial Institutions and Services

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