In this paper we propose a theory of individual moral consistency and we examine some consequences of this theory in particular contexts. Our notion of individual moral consistency is interpreted as a means for 'laundering' individula objectives that are amalgamated into collective judgements by...

In this paper, we examine the problem of ranking individual opportunity sets on the basis of their freedom of choice in a social setting.

Nous proposons un modele exploratoire des relations contractuelles entre l'Etat et les Universites. Nous considerons plus particulierement le cas d'une Universite en situation de monopole local pour la delivrance d'un diplome a caractere professionnel, faisant face a des etudiants supposes...

The paper considers the problem of comparing income distributions for heterogeneous populations. Following Atkinson and Bourguignon (1987), we divide the population in different groups of needs and evaluate the social welfare with a utilitarian function. By considering the Generalized...

A general procedure inspired by the Shapley value is proposed for decompodsing any inequality index by factor components or by populations subgroups. To do so we define two types of inequality games. Although these games cannot be expressed in terms of unanimity games, an axiomatization of the...

Bertrand argued that price would be driven down to marginal cost even with only two firms in the market. Chamberlin, by introducing product differentiation, argued that price will exceed marginal cost even when there are many firms. Thus product differentiation resolves the "Bertrand Paradox"....

This paper considers the repetition of a finite two person game when each player knows an upper bound on the length of the game, but assigns a positive probability to his opponent overestimating the length of the game. It is shown that with sufficiently little discounting, any payoff vector that...

It is shown that a fixed cost of nominal price changes enhances the ability of firms to collude in an ologopolistic market for a homogeneous good. Nevertheless, harsh price competition with firms making no profit remains a possible outcome. The analysis focuses on stable symmetric steady states...