We discuss in detail the mapping methodology for the valuation of bespoke single tranche Collateralized Debt Obligations in the context of the stochastic recovery gaussian factor modelling framework recently proposed by Amraoui and Hitier (2008)

Gaussian Copula as a model for default correlation has been recently criticized for a number of fallacies in its application to pricing and risk management of financial liabilities. Here we point out an element of model risk that appears to be overlooked. When the Gaussian Copula is applied to...