We develop here a framework of cross currency arbitrage in the presence of a currency peg. In particular the relationship between interest rate and FX derivatives is analysed in such a framework.

The aim of this paper is to present Arrow's theorem and more generally the common framework of many results which can be called "Arrovian theorems". One begins by recalling the Condorcet majority rules, and why they fail: the "effet Condorcet". These rules are examples of preference aggregation...

This paper examines the transitional dynamic of a poor region during its development proces. In order to achieve this goal, the paper use a simple model of growth whose the main particularity is to employ a Stone-Geary form to caracterize the preferences. The model predicts two kinds of...

L'agglomeration spatiale des firmes est un phenomene tres connu de l'economie geographique. Cet article propose une nouvelle explication a ce phenomene : les entreprises mettent en avant la localisation comme le moyen de signaler la qualite de biens nouveaux. Accepter la concurrence en se...

Symmetry of shocks across countries is often considered as a necessary condition for a monetary union. We show that the measure of shocks symmetry does not reveal a deep parameter, and depends on economic integration. The more integrated economies are, the more aysmmetric are GDPs for a given...

Nous reprenons l'etude des effets d'une politique de subvention a la reduction du temps de travail, lorsque l'economie se trouve en situation de chomage classique, pour examiner la robustesse des resultats aux hypotheses faites sur les elasticites de la demande de travail par rapport au cout...

We present and prove the equality between the core and the set of Walras allocations for a pure exchange economy with l goods and a continuum of consumers, represented by an atomless measure space.