Présente les mécanismes régulateurs des marchés financiers et leurs limites. A la question de savoir si le marché boursier est l'ennemi de la croissance, cet exposé montre que son rôle est de faciliter l'allocation de l'épargne entre entreprises, entre secteurs, entre pays, mais aussi de...

Montre en quel sens la mondialisation s'est accompagnée d'une augmentation considérable de la quantité de risques financiers, ce qui a été l'élément déterminant du déclenchement de la crise de septembre 2008.

The risk-neutral process is modeled by a four parameter self-similar process of independent increments with a self-decomposable law for its unit time distribution. Six different processes in this general class are theoretically formulated and empirically investigated. We show that all six models...

This article compares the cost of trading large capitalisation equities on the hybrid order-driven segment of the London Stock Exchange and the centralised electronic order book of Euronext. Using samples of stocks matched according to economic sector, free float capitalisation, and trading...

We consider a model in which any investment opportunity is described in terms of cash flows. We don't assume that there is a numéraire, enabling investors to transfer wealth through time; the time horizon is not supposed to be finite and the investment opportunities are not specifically related...

This article compares the cost of trading large capitalisation equities on the hybrid order-driven segment of the London Stock Exchange and the centralised electronic order book of Euronext. Using samples of stocks matched according to economic sector, free float capitalisation, and trading...