Séminaire

Explicit ruin formulas for models with dependence among risks

Stéphane Loisel (Université Lyon 1 - ISFA)

8 juin 2012, 13h45–15h00

Toulouse

Salle AMPHI S

Decision Mathematics Seminar

Résumé

We show that a simple mixing idea allows to establish a number of explicit formulas for ruin probabilities and related quantities in collective risk models with dependence among claim sizes and among claim inter-occurrence times. Examples include compound Poisson risk models with completely monotone marginal claim size distributions that are dependent according to Archimedean survival copulas as well as renewal risk models with dependent inter-occurrence times.

Mots-clés

Ruin probability; frailty models; mixing; Archimedean copulas; completely monotone distributions;

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