The most important allowances markets ? for SO<indice>2</indice> in the United States and for CO<indice>2</indice> in Europe ? have experienced delicate beginnings, with prices far below previous anticipations and very volatile. This paper attempts to explain this volatility ? due to over conformity to the pollution targets on...

The ‘conventional cancelation’ is a way for employer and employee to mutually agree for ending the labor contract. Officially, it will permit to raise mutually beneficial agreements and to reduce the judge role. First, what is at stake here is the bargaining capacity of the employee and the...

Le concept d'externalité, malgré sa place croissante dans la théorie économique, semble se dérober à toute tentative de définition rigoureuse et consensuelle, et ce depuis l'article fondateur de Meade jusqu'aux travaux de Arrow. L'assimilation de l'externalité à une "interaction...