We propose a model of seasonal gas markets which is flexible enough to include supply and demand shocks while also considering exhaustibility. The relative performances of alternative policies based on price caps and associated measures or tariffs are discussed. We illustrate with structural...

I examine competition in the sector of mortgage life insurance, in particular the Periodic Switching Right (PSR), by which the borrower can change his insurer once every period (say, every year). The PSR is likely to have pro competitive effects (lower premium), but by the same move, to lead to...

This paper argues for an alternative methodology to estimate the value of risk to life. By relaxing the assumption of additive separability, we introduce risk aversion with respect to the length of life and show that the extended model better fits available data. This is crucial for the...

[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...