October 20th, 2006, 12:16 pm
The standard model is the 1-factor Gaussian copula. This model can be used either in a semi-analytic form or via Monte Carlo.l You can look at1) David Li "On Default Correlation: A Copula Approach"2) Hull & White "Valuation of a CDO and a Nth to Default CDS Without Monte Carlo SimulationAlso, some books that discuss baskets are1) Bonfim "Understanding Credit Derivatives..."2) Felsenheimer et. al. "Active Credit Portfolio Management"