Ambiguity, Information Quality and Asset Pricing

Larry Epstein () and Martin Schneider ()

No 507, RCER Working Papers from University of Rochester - Center for Economic Research (RCER)

Abstract: When ambiguity averse investors process news of uncertain quality, they act as if they take a worst-case assessment of quality. As a result, they react more strongly to bad news than to good news. They also dislike assets for which information quality is poor, especially when the underlying fundamentals are volatile. These effects induce negative skewness in asset returns, increase price volatility and induce ambiguity premia that depend on idiosyncratic risk in fundamentals. Moreover, shocks to information quality can have persistent negative effects on prices even if fundamentals do not change. This helps to explain the reaction of markets to events like 9/11/2001.

Keywords: ambiguity; information quality; asset pricing; idiosyncratic risk; negatively skewed returns (search for similar items in EconPapers)
JEL-codes: D81 D83 D9 G11 G12 (search for similar items in EconPapers)
New Economics Papers: this item is included in nep-cfn, nep-fin and nep-mic
Date: 2004-05
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Related works:
Working Paper: Ambiguity, Information Quality and Asset Pricing (2005)
Journal Article: Ambiguity, Information Quality, and Asset Pricing (2008)
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Persistent link: http://EconPapers.repec.org/RePEc:roc:rocher:507

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