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...

Cet article étudie le rôle redistributif d'une assurance sociale exclusive en présence d'un mécanisme d'imposition directe optimale. Les agents sont caractérisés par une productivité individuelle et un risque maladie. La réalisation de ce risque engendre une dépense de santé ainsi...

Why in some urban areas do rich and poor households cohabit at the community level while, in others, we observe a sorting by income? To answer this question I develop a two-community general equilibrium framework of school quality, residential choice and tax decision. The model predicts that in...

We look at the effect of tax progression in imperfect labour markets. The models considered are union models, an equilibrium search model with wage bargaining, an equilibrium search model with wage posting by firms and efficiency wage models. We find that in all basic models, an increase in tax...

In this paper we develop a theoretical model of the mechanisms behind the voluntary provision of public knowledge goods in coalitions in presence of social preferences. The model builds on the large empirical literature on voluntary production of pooled public knowledge goods, such as source...

This paper is motivated by the recent innovations regarding the taxation of cross-border savings that took place in the European Union and the United States. We develop a model to assess the functioning of the different systems of international taxation used on both sides of the Atlantic Ocean....

L'objet de cet article est de relier les préférences des consommateurs pour les produits verts, les décisions d'investissement dans la recherche et le développement d'une industrie polluante et l'optimalité de la taxation de ses émissions polluantes dans le cadre des jeux en trois étapes...

The purpose of this paper is to consider an economy in which incorporates cross-border shopping and where the different levels of government worry about the well-being of their citizens. We assume a federalist economy with a central government and two regions with specific characteristics. Two...

We explain the positive correlation between union power and tax progressivity from a normative point of view by integrating labour market frictions and union power in an optimal taxation framework. We find that unions and redistributive taxation are complementary in the sense that they both...

This papers revisits the normative properties of search-matching economies when workers have concave utility functions. A general equilibrium framework is developed where agents are homogeneous and wages are bargained over. Assuming lump-sum taxation of profits, the optimal allocation of...