Cet article cherche à expliciter la signification et le rôle de l'hypothèse de marchés financiers complets dans les modèles d'évaluation des options. Son objectif est de manifester la force et la nécessité des hypothèses faites dans ce type de modèles sur l'évolution du prix de...

[eng] Rational expectations and information revealed by prices : an introduction. Catherine Rouzaud. This paper is intended to introduce some recent studies on rational expectations in general equilibrium theory under asymmetric information. In order to clarify the basis of this literature, the...

In several OECD countries age-targeted wage subsidies have been introduced to increase the employment of older workers, but evidence on their effectiveness is scarce. This paper examines the effects of a permanent wage cost subsidy in Belgium on the employment rate, working time and hourly wage....