Three processes reflecting persistence of volatility are initially formulated by evaluating three Lévy processes at a time change given by the integral of a mean-reverting square root process. The model for the mean-reverting time change is then generalized to include non-Gaussian models that...

Three processes reflecting persistence of volatility are initially formulated by evaluating three Lévy processes at a time change given by the integral of a mean-reverting square root process. The model for the mean-reverting time change is then generalized to include non-Gaussian models that...

The rise in life expectancy increases the likelihood that the proportion of the population living to an age at which their means will be exceeded and exposes the states and numerous institutions to an important longevity risk. The stakes are the optimal management of this social risk. Economic...

In order to adapt to the liberalization of the financial sphere started in the Eighties, marked in particular by the end of the framing of credit, the disappearance of the various forms of protection of the State whose profited the banks, and the privatization of the near total of the...

Présente les modalités d'une gestion rigoureuse des risques financiers et les méthodes d'évaluation (en temps discret et en temps continu) des produits dérivés (contrat à terme et options) quel que soit l'actif sous-jacent (indice boursier, action, devise, taux d'intérêt). Analyse les...

L’analyse financière a pour objet central le capital et la création de richesse économique de l’entreprise. Ses objectifs diffèrent selon la nature des apporteurs de capitaux : les actionnaires privilégient la valeur du capital et les prêteurs, la capacité de remboursement actuelle et...