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Modeling credit risk with partial information

Cetin, Umut, Jarrow, R., Protter, P. and Yildirim, Y. (2004) Modeling credit risk with partial information. Annals of Applied Probability, 14 (3). pp. 1167-1178. ISSN 1050-5164

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Abstract

This paper provides an alternative approach to Duffie and Lando [Econometrica 69 (2001) 633–664] for obtaining a reduced form credit risk model from a structural model. Duffie and Lando obtain a reduced form model by constructing an economy where the market sees the manager’s information set plus noise. The noise makes default a surprise to the market. In contrast, we obtain a reduced form model by constructing an economy where the market sees a reduction of the manager’s information set. The reduced information makes default a surprise to the market. We provide an explicit formula for the default intensity based on an Azéma martingale, and we use excursion theory of Brownian motions to price risky debt.

Item Type: Article
Official URL: http://projecteuclid.org/DPubS?service=UI&version=...
Additional Information: © 2007 Institute of Mathematical Statistics
Library of Congress subject classification: H Social Sciences > HG Finance
H Social Sciences > HA Statistics
Sets: Departments > Statistics
Rights: http://www.lse.ac.uk/library/usingTheLibrary/academicSupport/OA/depositYourResearch.aspx
Date Deposited: 02 Nov 2007
URL: http://eprints.lse.ac.uk/2840/

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