Abstract

http://ssrn.com/abstract=1343830
 


 



Ambiguity Shifts and the 2007-2008 Financial Crisis


Nina Boyarchenko


Federal Reserve Bank of New York

November 1, 2010

AFA 2012 Chicago Meetings Paper

Abstract:     
I analyze the effects of model misspecification on default swap spreads and equity prices for firms that are not perfectly transparent to the investors. The agents in the economy are misspecification-averse and thus assign higher probabilities to lower utility states. This leads to higher CDS rates, lower equity prices and lower expected times to default. Estimating the model using data on financial institutions, I find that the sudden increase in credit spreads in the summer of 2007 can be partially explained by agents' mistrust of the signals observed in the market. The bailout of Bear Stearns in March 2008 and the liquidation of Lehman Brothers in September 2008 further exacerbated the agents' doubts about signals quality and introduced mistrust about the agents' pricing models, accounting for the further increases in credit spreads after these events.

Number of Pages in PDF File: 92

Keywords: ambiguity, credit risk, credit crunch

JEL Classification: G10, G12, G14, C11

working papers series


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Date posted: February 17, 2009 ; Last revised: September 13, 2011

Suggested Citation

Boyarchenko, Nina, Ambiguity Shifts and the 2007-2008 Financial Crisis (November 1, 2010). AFA 2012 Chicago Meetings Paper. Available at SSRN: http://ssrn.com/abstract=1343830 or http://dx.doi.org/10.2139/ssrn.1343830

Contact Information

Nina Boyarchenko (Contact Author)
Federal Reserve Bank of New York ( email )
33 Liberty Street
New York, NY 10045
United States
212-720-7339 (Phone)
212-720-1582 (Fax)
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