In this paper, a generalized version of the Fan-Knaster-Kuratowski-Mazurkiewicz lemma is obtained and used to prove the existence of fixed points for correspondenced defined on a generalized convex spaces. A result on the existence of maximal elements is deduced and is applied to prove the...

In this paper, we characterize the viability property of a closed subset of paths under an impulse path-dependent differential inclusion using the Viability Theorems of [25,26,27, Haddad]. Actually, on part of the Characterization Theorem is for any general impulse evolutionary system that we...

In the case of an economy with production, we unify McKenzie-Debreu's and Arrow-Hahn's concepts of irreductibility by a generalization of the Bergstrom-irreductibility. This, together with existence of a quasi-equilibrium, will be shown to imply existence of a Walras equilibrium.

L'interdependance des economies est etudiee dans un modele de croissance a deux pays avec horizon infini et prevision parfaite. La dynamique du modele en particulier la repartition de la consommation entre les pays et l'evolution de la dette exterieure explicitees.

The empirical evidence on sources of corporate financing strongly suggests that firms prefer internally generated funds to debt and debt to equity in financing their investment activities. What is the economic rationale for this preference ordering or pecking order? We provide an explanation...

This paper explores the consequences of non-additive expected utility on risk-sharing and equilibrium in a general equilibrium set-up. We establish that convexity of an agent's preferences (or strong uncertainty aversion) is equivalent to the convexity of his capacity and concavity of his...

We build spaces of q.p. (quasi-periodic) functions and we establich some of their properties. They are motivated by the Perceival approach to q.p. solutions of Hamiltonian systems. The periodic solutions of an adequat Partial Differential Equation are related to the q.p. solutions of an Ordinar...

The last twenty years have seen a rise of inequalities and a slowdown of growth in the US and Europe. It is common wisdom to interpret the rise of inequalities as the result of a skill-biased labor demand shift. While there is a strong evidence that such a shift has happened, this overlooks the...