[fre] Nous proposons dans cet article un panorama des modélisations de la prise de décision dans des situations de risque ou d'incertain. Une attention particulière est portée aux incertitudes environnementales. Après avoir rappelé les modèles canoniques d'espérance d'utilité, nous...

This book surveys how economists engage with knowledge and beliefs in various fields of economic analysis, such as general equilibrium theory, decision theory, game theory, experimental economics, evolutionary theory of the firm, financial markets and the history of economic thought.

<marquage typemarq="gras"/> In this paper, we formalize two criteria of decisions which try to convey two different interpretations of the Precautionary principle. The first criterion corresponds to the maximization of the minimum of the expected utility whereas the second criterion corresponds to the minimization of the...