La prochaine session du séminaire de recherche de la Chaire Énergie et Prospérité aura lieu mardir 23 octobre à 15h à l’Agence Française de Développement. Nous recevrons John E. Roemer (Yale University) pour un exposé intitulé:
Standard game theory’s theory of cooperation is based upon threatened punishment of non-cooperators in a repeated game, which induces a Nash equilibrium in which cooperation is observed. Thus, cooperation in games is explained as a non-cooperative equilibrium. Behavioral economics, on the other hand, explains cooperative behavior by inserting ‘exotic’ arguments into preferences (altruism, fairness, etc.), and again deducing cooperation as a Nash equilibrium in a game with non-standard preferences. In both variants, cooperation is envisaged as achievable as a Nash equilibrium.
A more compelling approach is to model individuals as using a Kantian optimization protocol, but with standard, non-exotic preferences. The Kantian protocol inserts morality not into preferences, but into the optimization protocol, and these are distinctly different approaches, as I show. We deduce cooperation in one-shot games in Kantian equilibrium. Kantian optimization resolves both tragedies of the commons and the provision of public goods: Kantian equilibria, in both cases, are Pareto efficient, in contrast to Nash equilibrium. Furthermore, I characterize the class of 2 x 2 symmetric games in which Kantian optimizers will drive Nash optimizers to extinction, and conversely; both are non-empty classes.
INFORMATIONS PRATIQUES
Date : 23 octobre 2018 de 16h à 18h
Lieu : AFD – 5 Rue Roland Barthes, 75012 Paris – Salle (à préciser)
Attention : une pièce d’identité vous sera demandée à l’entrée du bâtiment et prévoyez d’être un peu en avance (du fait des contrôles de sécurité).
Le séminaire se déroulera en anglais.
Le séminaire de recherche de la Chaire Energie et Prospérité permet aux chercheurs associés à la Chaire Energie et Prospérité de présenter leurs articles de recherche et d’en discuter avec d’autres scientifiques. Il est organisé par Adrien Nguyen Huu (Université de Montpellier).
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