This paper illustrates on two examples the use of some multivariate statistical analysis methods for describing profiles of preferences. The first example is the Social Choise and Welfare council election of 1999 and the second is a school-case fictious one. The school case example shows how...

We examine how allowing individuals to emigrate to pay lower taxes abroad changes the optimal non-linear income tax scheme in a Mirrleesian economy. An individual emigrates if his domestic utility is less than his utility abroad net of migration costs, utilities and costs both depending on...

The object of this paper is to propose a consistency test for an individual involved in collective choice process. Collective choice processes considered in the paper are those that transform individuals `tastes' - which reflect the self-interested view point of the individuals - into (social)...