Self-Fulfilling Risk Panics

Philippe Bacchetta, Cédric Tille and Eric Wincoop
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Eric Wincoop: University of Virginia, NBER

No 2011-003, Working Papers from Banco Central de Reserva del Perú

Abstract: Recent crises have seen large spikes in asset price risk without dramatic shifts in fundamentals. We propose an explanation for these risk panics, based on selfful filling shifts in beliefs about risk, that are driven by a negative link between the current asset price and risk about the future asset price. This link implies that risk about the future asset price depends on uncertainty about future risk. This dynamic mapping of risk into itself gives rise to the possibility of multiple equilibria and can generate risk panics. In a panic, risk beliefs are coordinated around a macro fundamental that becomes a sudden focal point of the market. The magnitude of the panic is larger the weaker this macro fundamental. The sharp increase in risk leads to a large drop in the asset price, decreased leverage and reduced market liquidity. While the model is not aimed at modeling the specifics of any particular financial crisis, we show that its implications are broadly consistent with what happened during the 2007-2008 crisis.

Date: 2011-02
New Economics Papers: this item is included in nep-cba
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Citations: View citations in EconPapers (1)

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Related works:
Journal Article: Self-Fulfilling Risk Panics (2012)
Working Paper: Self-fulfilling risk panics (2011)
Working Paper: Self-Fulfilling Risk Panics (2010)
Working Paper: Self-Fulfilling Risk Panics (2010)
Working Paper: Self-Fulfilling Risk Panics (2010)
Working Paper: Self-Fulfilling Risk Panics (2010)
Working Paper: Self-Fulfilling Risk Panics (2010)
Working Paper: Self-Fulfilling Risk Panics (2010)
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