We determine the optimal income tax schedule when individuals both choose endogenously their labor supply and have the possibility of avoiding paying taxes. Considering a convex concealment cost function, we propose a formula for the optimal marginal tax rate, that generalizes the standard...

We show that, when there is joint production of an agricultural good and rural amenities, the first-best allocation of resources can be implemented with a tax on the agricultural good and some subsidies on the production factors (land and labor). The use of a subsidy on the agricultural good can...

This paper examines how the issue of political support affects the design of social insurance. It distinguishes between redistributive character and size of social protection. Three main results emerge. First, it may be appropriate to adopt a system which is less redistributive than otherwise...