Overcontribution in experiments on voluntary contribution to a public good has not yet received a fully satisfactory explanation. In those experiments, subjects cooperate, in contradiction with the game-theoretic prediction. In contrast, in oligopoly-experiments and common pool resource...

Several online market sites, such as eBay, have implemented reputation management mechanisms in order to improve cooperation. In this article, we aim at investigating the emergence of trust and cooperation in presence of reputation mechanism. In a series of experiments based on the trust game...

Our analysis is about the role of emotions and moral values in economical analysis. We use the theory of emotions of Livet (2002) in order to understand the behaviour of individuals alternatively in the Akerlof (1991)’s model of undue obedience and in a public good experiment. We argue that...

Un groupe d'agents décide de mettre à sa disposition un site collectif polluant. Pour ce faire, ils font appel à une entreprise chargée de la localisation et de la construction de l'installation. Celle-ci leur propose une procédure de localisation/tarification soumise à l'approbation de...