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Stochastic and Copula Models for Credit Derivatives

Stochastic and Copula Models for Credit Derivatives

Paperback

Probability & Statistics

ISBN10: 3639212576
ISBN13: 9783639212570
Publisher: Blues Kids Of Amer
Published: Feb 2 2010
Pages: 100
Weight: 0.35
Height: 0.24 Width: 6.00 Depth: 9.00
Language: English
We prove results relating to the exit time of a stochastic process from a region in N-dimensional space. We compute certain stochastic integrals involving the exit time. Taking a Gaussian copula model for the hitting time behavior, We derive explicit formulas for CDO tranche sensitivity to parameter variations, and prove results concerning the qualitative behavior of such tranche sensitivities, as well as the large-N behavior, for a homogeneous portfolio governed by the one-factor Gaussian copula. A Poisson-mixture model is also investigated in a similar vein. Relevant simulations are presented.

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Probability & Statistics