Term Structure Models with Shot-Noise Effects
Raquel M. Gaspar
Technical University of Lisbon (UTL) - Cemapre Research Center
Chemnitz University of Technology
July 1, 2007
ISEG Advance Working Paper No. 3/2007
This work proposes term structure models consisting of two parts: a part which can be represented in exponential quadratic form and a shot noise part. These term structure models allow for explicit expressions of various derivatives. In particular, they are very well suited for credit risk models.
The goal of the paper is twofold. First, a number of key building blocks useful in term structure modelling are derived in closed-form. Second, these building blocks are applied to single and portfolio credit risk. This approach generalizes Duffie & Gýrleanu (2001) and is able to produce realistic default correlation and default clustering. We conclude with a specific model where all key building blocks are computed explicitly.
Number of Pages in PDF File: 18
Keywords: Term Structure Models, Quadratic Term Structure Models, Shot-noise
JEL Classification: C15, C12, G13, G33working papers series
Date posted: July 4, 2008 ; Last revised: December 15, 2010
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