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Time Varying Risk Aversion

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  • Luigi Guiso
  • Paola Sapienza
  • Luigi Zingales

Abstract

We use a repeated survey of an Italian bank's clients to test whether investors' risk aversion increases following the 2008 financial crisis. We find that both a qualitative and a quantitative measure of risk aversion increases substantially after the crisis. After considering standard explanations, we investigate whether this increase might be an emotional response (fear) triggered by a scary experience. To show the plausibility of this conjecture, we conduct a lab experiment. We find that subjects who watched a horror movie have a certainty equivalent that is 27% lower than the ones who did not, supporting the fear-based explanation. Finally, we test the fear-based model with actual trading behavior and find consistent evidence.

Suggested Citation

  • Luigi Guiso & Paola Sapienza & Luigi Zingales, 2013. "Time Varying Risk Aversion," NBER Working Papers 19284, National Bureau of Economic Research, Inc.
    • Handle: RePEc:nbr:nberwo:19284
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    More about this item

    JEL classification:

    • D1 - Microeconomics - - Household Behavior
    • D8 - Microeconomics - - Information, Knowledge, and Uncertainty
    • G11 - Financial Economics - - General Financial Markets - - - Portfolio Choice; Investment Decisions
    • G12 - Financial Economics - - General Financial Markets - - - Asset Pricing; Trading Volume; Bond Interest Rates

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