Since the 1970s, the financial system has undergone deep structural changes. Innovation has been a key driver of these changes and most economists acknowledge that the impact has been positive overall. However, each time a financial crisis arises, the debate is on. Derivatives especially, which...

Cet article étudie la relation entre l’emploi et le PIB aux Etats Unis. Nous distinguons entre composantes cyclique et permanente de l’emploi via l’estimation d’une loi d’Okun non linéaire basée sur un modèle à correction d’erreur à transition lisse tenant compte simultanément...