The main idea of this paper is to study theoretically the different ones from the credit portfolio models mainly two models: the macro-factors models and the actuarial models. There are currently three types of models to consider the risk of credit: the structural models also defined by the...

The impact of a stress scenario of default events on the loss distribution of a credit portfolio can be assessed by determining the loss distribution conditional on these events. While it is conceptually easy to estimate loss distributions conditional on default events by means of Monte Carlo...