L’allocation de permis d’émission, notamment celle s’inscrivant dans le cadre du Protocole de Kyoto pour six gaz à effet de serre (GES), a suscité et suscitent encore de vives discussions politiques sur la question de savoir qui (quel pays ou quelle région) devrait supporter un effort...

L’objectif de ce texte est de questionner les fondements normatifs des politiques d’activation, dans leur version Making Work Pay, afin de souligner les «préférences révélées » des décideurs politiques. Pour cela, nous montrons comment les théories de la justice de Rawls, Dworkin et...

Dans l'ouvrage que Van Parijs a consacré en 1995 aux fondements philosophiques et économiques du projet d'allocation universelle, le chapitre IV est dédié au problème du financement « soutenable » d'une telle mesure. Les « rentes d'emploi » y sont présentées comme un troisième type...

We derive a general optimal income tax formula when individuals respond along both the intensive and extensive margins and when income effects can prevail. Individuals are heterogeneous across two dimensions: their skill and their disutility of participation. Preferences over consumption and...

Individuals with heterogeneous incomes occupy a territory divided into zones with unequal levels of amenities. Using the concept of land rent à la Ricardo, we propose a model determining the land rent in the different zones as well as the distribution of individuals across them. A land tax...

We build a model of trade and location with two countries which differ with respect to their level of productivity. Public spending has two possible allocations: a direct subsidy to immobile households or a wage subsidy to mobile firms. We show that firms receive a lower net tax subsidy in the...

We develop a methodology to sign output distortions in the random participation framework. We apply our method to monopoly nonlinear pricing problem, to the regulatory monopoly problem and mainly to the optimal income tax problem. In the latter framework, individuals are heterogeneous across two...

The current unemployment insurance and employment protection legislation were set up in an economic environment in which relationships between workers and firms were typically lon-lastingand stable. The increasing globalisation of the economy and the rapid technological and organisational...

The effects of three reforms of the Belgian old-age pension system were examined on retirement behaviour, government budget and income distribution of the old-age retired. On the basis of a large administrative micro-dataset used to estimate and simulate a discrete-time hazard model we found...

The paper considers a model of a federation with two heterogeneous regions that try to attract the capital by competing in capital income taxes and public investment that enhance the productivity of capital. The regions’ choices determine the allocation of capital across the regions and their...