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Messaoud Deghdak
et al. (Jul, 2011)

Others

In this paper, we establish the existence of Berge's strong equilibrium for games with n persons in infinite dimensional strategy spaces in the case where the payoff function of each player is quasi-concave. Moreover, we study the continuity of Berge's strong equilibrium correspondence and prove tha...

Monique Florenzano
(Oct, 2010)

Articles

Focussing on their analysis of the optimal public goods provision problems, this paper follows the parallel development of equilibrium models and mechanism design after the accommodation of Samuelson's definition of collective goods to the general equilibrium framework. Both paradigms lead to the ne...

Monique Florenzano
(Jan, 2010)

Others

Focusing on their analysis of the optimal public goods provision problem, this paper follows the parallel development of equilibrium models and mechanism design after the accomodation of Samuelson's definition of collective goods to the general equilibrium framework. Both paradigms lead to the negat...

Hichem Ben-El-Mechaiekh
et al. (Dec, 2009)

Others

Focusing mainly on equilibrium existence results, this paper emphasizes the role of fixed point theorems in the development of general equilibrium theory, as well for its standard definition as for some of its extensions.

Monique Florenzano
(Apr, 2009)

Others

This short paper published in Games and Economic Behavior (July 2009) "In Memoriam" of David Gale, emphasizes the seminal role played by two lemmas of David Gale in the development of the foundations of General Equilibrium Theory.

Monique Florenzano
(Feb 26, 2009)

Preprint

Despite the large number of its references, this paper is less a survey than a systematic exposition, in an unifying framework ans assuming convexity as well on the consumption side as on the production side, of the different equilibrium concepts elaborated for studying provision of public goods. As...

Others

Monique Florenzano
(Feb, 2009)

Others

Despite the large number of its references, this paper is less a survey than a systematic exposition, in an unifying framework and assuming convexity as well on the consumption side as on the production side, of the different equilibrium concepts elaborated for studying provision of public goods. As...

Monique Florenzano
(Feb, 2009)

Others

Focussing on their analysis of the optimal public goods provision problem, this paper follows the parallel development of equilibrium models and mechanism design after the accommodation of Samuelson's definition of collective goods to the general equilibrium framework. Both paradigms lead to the neg...

Hichem Ben-El-Mechaiekh
et al. (2009)

Articles

Focusing mainly on equilibrium existence results, this paper emphasizes the role of fixed point theorems in the development of general equilibrium theory, for its standard definition as well as for some of its extensions.

Others

Monique Florenzano
(Dec, 2007)

Others

Unlike partial equilibrium analysis which study the equilibrium of a particular market under the clause "ceteris paribus" that revenues and prices on the other markets stay approximately unaffected, the ambition of a general equilibrium model is to analyze the simultaneous equilibrium in all markets...

Monique Florenzano
et al. (Dec, 2006)

Articles

In this paper, we propose a definition of Edgeworth equilibrium for a private ownership production economy with (possibly infinitely) many private goods and a finite number of pure public goods. We show that Edgeworth equilibria exist whatever be the dimension of the private goods space, and can be...

Monique Florenzano
et al. (Nov, 2006)

Others

This paper studies a simple stochastic two-period general equilibrium exchange model with money, an incomplete market of nominal assets, and a competitive banking system, intermediate between consumers and a Central Bank. There is a finite number of agents, consumers and banks. Default is not permit...

Monique Florenzano
et al. (Nov, 2006)

Articles

In this paper, we prove a new version of the Second Welfare Theorem for economies with a finite number of agents and an infinite number of commodities, when the preference correspondences are not convex-valued and/or when the total production set is not convex. For this kind of nonconvex economies,...

Roko Aliprantis
et al. (Nov, 2006)

Others

We show that if K is a closed cone in a finite dimensional vector space X, then there exists a one-to-one linear operator T : X C [0,1] such that K is the pull-back cone of the positive cone of C [0,1], i.e., K = T -1 (C+ [0,1]). This problem originated from questions regarding arbitrage free prices...

Articles

Charalambos Aliprantis
et al. (Aug, 2006)

Articles

This paper studies production economies in a commodity space that is an ordered locally convex space. We establish a general theorem on the existence of equilibrium without requiring that the commodity space or its dual be a vector lattice. Such commodity spaces arise in models of portfolio trading...

Articles

Hichem Ben-El-Mechaiekh
et al. (Sep, 2005)

Articles

We present in this paper a generalized version of the celebrated Knaster–Kuratowski–Mazurkiewicz–Fan's principle on the intersection of a family of closed sets subject to a classical geometric condition and a weakened compactness condition. The fixed point formulation of this generalized principle e...

Charalambos Aliprantis
et al. (Mar, 2005)

Articles

Compendious and thorough solutions to the existence of a linear price equilibrium problem, the second welfare theorem, and the limit theorem on the core are provided for exchange economies whose consomption sets are the positive cone of arbitrary ordered Fréchet-dispensing entirely with the assumpti...

Charalambos Aliprantis
et al. (Sep, 2004)

Articles

An F-cone is a pointed and generating convex cone of a real vector space that is the union of a countable family of finite dimensional polyedral convex cones such that each of which is an extremel subset of the subsequent one. In this paper, we study securities markets with countably many securities...

Charalambos Aliprantis
et al. (Jun, 2004)

Articles

The second welfare theorem and the core-equivalence theorem have been proved to be fundamental tools for obtaining equilibrium existence theorems, especially in an infinite dimensional setting. For well-behaved exchange economies that we call proper economies, this paper gives (minimal) conditions f...

Nizar Allouch
et al. (Jan, 2004)

Articles

In this paper, we first give a direct proof of the existence of Edgeworth equilibria for exchange economies with consumption sets which are (possibly) unbounded below. The key assumption is that the individually rational utility set is compact. It is worth noticing that the statement of this result...

Monique Florenzano
(1999)

Others

The purpose of this paper is to explain the role of financial assets in allowing individual agents of an economy to make at time 0 some limited commitments into the future which, at some extent, redistribute their revenue among several time periods and different states of the world. It is done study...

Nizar Allouch
et al. (Jan 3, 2)

Others

For an exchange economy, under assumptions which did not bring about the existence of quasiequilibrium with dividends as yet, we prove the nonemptiness of the fuzzy rejective core. Then, via Konovalov (1998, 2005)'s equivalence result, we solve the equilibrium (with dividends) existence problem. In...

Mina Mostoufi
(Dec 17, 2015)

Thesis

This thesis deals with the risk theory in Finance and Insurance. Application of the Comonotonicity concept, the strongest risk dependence, is described for identifying the Pareto optima and Individually Rational Pareto optima allocations, option pricing and quantification of risk. Furthermore it is...

Jean-Marie Cayemitte
(Jan 17, 2014)

Thesis

This thesis constructs a theoretical model that renews the traditional approach of the market equilibrium. By introducing into the neoclassical paradigm the principle of preference for quantity, it optimally generates inventories within a competitive market. The results are very important since they...

Robert Becker
et al. (Nov, 2013)

Preprint

We study the existence of equilibrium and rational bubbles in a Ramsey model with heterogeneous agents, borrowing constraints and endogenous labor. Applying a nonstandard fixed-point theorem by Gale and Mas-Colell's (1975), we prove the existence of equilibrium in a time-truncated bounded economy. A...

Nicolas Dromel
(Nov 7, 2007)

Thesis

The general topic of this work is the stabilizing influence of appropriate fiscal policies on the economy's dynamics. In this thesis, stabilization policies are understood as a means to lower or rule out the likelihood of endogenous fluctuations in the economy. The first chapter examines, in a real...

Pascal Gourdel
(Feb, 2006)

Others

We present a theorem on the existence of a maximal element for a correspondence which is upper hemi-continuous in some variables and which satisfies with respect to the other ones one the following conditions: (i) lower semi-continuous if the space has a finite dimension, (ii) lower semi-continuous...

Abdelhakim Hammoudi
(Apr 16, 1993)

Thesis

Cette thèse, dans ses deux parties distinctes se veut une contribution à la compréhension des phénomènes de coopération et des facteurs concourant à leur stabilité dans les domaines de l'Économie Publique et Industrielle. Il est ainsi utilisé à cette fin les outils classiques de théorie des jeux aus...

(Jan, 1984)

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Articles

Jean Meyriat
et al. (1966)

Articles

Meyriat Jean, Saltet Daniel. IV. Études administratives. In: Revue française de science politique, 16ᵉ année, n°2, 1966. pp. 422-423.

Robert Becker
et al. (Jan 3, 2)

Others

We study the existence of equilibrium and rational bubbles in a Ramsey model with heterogeneous agents, borrowing constraints and endogenous labor. Applying a Kakutani's fixed-point theorem, we prove the existence of equilibrium in a time-truncated bounded economy. A common argument shows this solut...