Abstract

http://ssrn.com/abstract=686481
 
 

References (26)



 
 

Citations (10)



 


 



The Valuation of Correlation-Dependent Credit Derivatives Using a Structural Model


John C. Hull


University of Toronto - Rotman School of Management

Mirela Predescu


BNP Paribas, London

Alan White


University of Toronto - Rotman School of Management

May 2005


Abstract:     
In 1976 Black and Cox proposed a structural model where an obligor defaults when the value of its assets hits a certain barrier. In 2001 Zhou showed how the model can be extended to two obligors whose assets are correlated. In this paper we show how the model can be extended to a large number of different obligors. The correlations between the assets of the obligors are determined by one or more factors. We examine the dynamics for credit spreads implied by the model and explore how the model price tranches of collateralized debt obligations (CDOs). We compare the model with the widely used Gaussian copula model of survival time and test how well the model fits market data on the prices of CDO tranches. We consider two extensions of the model. The first reflects empirical research showing that default correlations are positively dependent on default rates. The second reflects empirical research showing that recovery rates are negatively dependent on default rates.

Number of Pages in PDF File: 36

Keywords: Credit derivatives, correlation, structural model, CDO, valuation

JEL Classification: G13

working papers series


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Date posted: March 21, 2005  

Suggested Citation

Hull, John C. and Predescu, Mirela and White, Alan, The Valuation of Correlation-Dependent Credit Derivatives Using a Structural Model (May 2005). Available at SSRN: http://ssrn.com/abstract=686481 or http://dx.doi.org/10.2139/ssrn.686481

Contact Information

John C. Hull (Contact Author)
University of Toronto - Rotman School of Management ( email )
105 St. George Street
Toronto, Ontario M5S 3E6
Canada
(416) 978-8615 (Phone)
416-971-3048 (Fax)
Mirela Predescu
BNP Paribas, London ( email )
10 Harewood Avenue
London, NW1 6AA
United Kingdom
Alan White
University of Toronto - Rotman School of Management ( email )
105 St. George Street
Toronto, Ontario M5S 3E6
Canada
416-978-3689 (Phone)
416-971-3048 (Fax)
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