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Rationalizability in games with a continuum of players

Jara-Moroni, Pedro - HAL - 2008

The concept of Rationalizability has been used in the last fifteen years to study stability of equilibria on models with continuum of players such as standard competitive markets, macroeconomic dynamics and currency attacks. However, Rationalizability has been formally defined in a general...

Persistent link: https://www.econbiz.de/10010739044

Expectational coordination in a class of economic models: Strategic substitutabilities versus strategic complementarities

Guesnerie, Roger; Jara-Moroni, Pedro - HAL - 2007

We consider an economic model that features: 1. a continuum of agents 2. an aggregate state of the world over which agents have an infinitesimal influence. We first propose a review, based on work by Jara (2007), of the connections between the eductive viewpoint that puts emphasis on Strongly...

Persistent link: https://www.econbiz.de/10010738797

Expectational coordination in simple economic contexts: concepts and analysis with emphasis on strategic substitutabilities.

Guesnerie, Roger; Jara-Moroni, Pedro - HAL - 2009

assumptions, the Poincaré-Hopf method leads to global results for strong rationality of equilibrium. At the local level, the …

Persistent link: https://www.econbiz.de/10010739080

Expectational coordination failures and Market outcomes' volatility

Guesnerie, Roger - HAL - 2011

The first part of this text reviews the standard economic viewpoint on expectational coordination, a viewpoint that the recent events have challenged. The second part reviews different existing directions assessments of the rational expectations hypothesis that have been made to-date. The third...

Persistent link: https://www.econbiz.de/10010738768

Macroeconomic and monetary policies from the "eductive" viewpoint

Guesnerie, Roger - HAL - 2008

The "eductive" viewpoint provides a theoretically sophisticated analysis as well as an intuitively plausible shortcut to the study of expectational coordination in economic models. From the review of expectational criteria in a class of dynamical models of macroeconomic theory, the paper shows...

Persistent link: https://www.econbiz.de/10010739013

Hotelling Games on Networks: Efficiency of Equilibria

Fournier, Gaëtan; Scarsini, Marco - HAL - 2014

We consider a Hotelling game where a finite number of retailers choose a location, given that their potential customers are distributed on a network. Retailers do not compete on price but only on location, therefore each consumer shops at the closest store. We show that when the number of...

Persistent link: https://www.econbiz.de/10011025947

Pleasure and belief in Hume's decision process

Diaye, Marc-Arthur; Lapidus, André - HAL - 2009

The purpose of this paper is to introduce explicitly pleasure and belief in what aims at being a Humean theory of decision, like the one developed in Diaye and Lapidus (2005a). Although we support the idea that Hume was in some way – evidently different from Bentham's or Jevons' way – a...

Persistent link: https://www.econbiz.de/10008793170

Freedom and Rationality

Salvat, Christophe - HAL - 2008

This paper deals with Rousseau's idea of freedom in terms of rationality and deliberation. It gives support to Berlin …

Persistent link: https://www.econbiz.de/10008793599

Financing early-stage ventures: the role of uncertainty and financial markets in the investment choices of venture capitalists

Nasica, Eric; Dufour, Dominique - HAL - 2009

Our paper sheds light on the reasons for which a rational venture capitalist decides to reallocate his or her portfolio from later to early-stage investment. We explain why, during certain periods, there is a strong correlation between the performance of financial markets and the funds invested...

Persistent link: https://www.econbiz.de/10008794401

Why Rationality May Be a Consequence of Hume's Theory of Choice

Diaye, Marc-Arthur; Lapidus, André - HAL - 2005

Facing R. Sugden's criticism of our interpretation, it is shown in this paper that rationality appears as a possible … rationality through which Hume's theory is apprehended, is highly disputable, from the point of view of both standard choice … theory and Hume's theory of passions. Nonetheless, Sugden's criterion of rationality might be restated in Humean terms as a …

Persistent link: https://www.econbiz.de/10008789356

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