[eng] Energy Policy : Strategic Aspects of the Supply Issue.. This article treats energy taxation principles in the light of the need to optimise supply by non-EU suppliers. Our model distinguishes and evaluates the three terms of an optimum tax : budget, environment and strategy. Their values...

[fre] Le débat répartition-capitalisation a été au centre des réflexions sur la retraite au cours des dernières années, et cet article retrace quelques-uns de ses aspects les plus marquants. Il revient d'abord sur le constat démographique initial : quelle est la nature exacte des...

This article deals with optimal insurance contracts in the framework of imprecise probabilities and adverse selection. Agents differ not only in the objective risk they face but also in the perception of risk. In monopoly, a range of configurations that VNM preferences preclude appears: a...