This paper studies the normative problem of redistribution between agents who can influence their survival probability through private health spending, but who differ in their attitude towards the risks involved in the lotteries of life to be chosen. For that purpose, a two-period model is...

The study of optimal long-term care (LTC) social insurance is generally carried out under the utilitarian social criterion, which penalizes individuals who have a lower capacity to convert resources into well-being, such as dependent elderly individuals or prematurely dead individuals. This...

This paper presents an overlapping generations model of environmental externalities with a depollution technology. Each agent concerned by the environmental degradation can voluntarily contribute in order to reduce it. Contributing to the environmental quality means financing depollution...

The well known economic advantage of tradable permits over command and control obviously vanishes if firms do not trade because of regulatory uncertainty. In fact, uncertainty about political decision changes in the permits program could make firms reluctant to participate in tradable permits...