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Investors’ and Central Bank’s Uncertainty Embedded in Index Options


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  • Alexander David
  • Pietro Veronesi
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    Shocks to equity options’ ATM implied volatility (ATMIV) are followed by persistently lower short-term rates. Shocks to the ratio of OTM puts’ over OTM calls’ implied volatilities (P/C) are followed by persistently higher rates. The stock’s and Treasury-bond’s ATMIV indices, which measure market and policy uncertainty, are counter-cyclical while the P/C index, which measures downside risk, is pro-cyclical. An equilibrium model where investors and the central bank learn about composite regimes on economic and policy variables explains these options’ dynamics, linking them to a learning-based, forward-looking Taylor rule. The model produces several predictions on the relation between options, monetary policy variables, and beliefs that find support in the data.

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    Bibliographic Info

    Paper provided by National Bureau of Economic Research, Inc in its series NBER Working Papers with number 16764.

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    Date of creation: Feb 2011
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    Publication status: published as “Investors’ and Central Bank’s Uncertainty embedded in Index Options,” with Alexander David, Review of Financial Studies (conditionally accepted)
    Handle: RePEc:nbr:nberwo:16764

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