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Séminaire IRIT-UT1 - Dongmo Zhang

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le 30 juin 2009
Manufacture des Tabacs - ME303

Séminaire IRIT-UT1 - Mardi 30 juin 2009 - 12h45 - Salle ME303


Dongmo Zhang
- University of Western Sydney

"
An AI View of Bargaining Theory"

As one of the most fundamental models in modern economic theory, the Nash bargaining solution (Nash 1950) has been developed in the past six decades into a high sophisticated theory with varieties of models, extensions, and applications.

Despite mathematical simplicity and elegance, it has been found that such a purely numerical theory of bargaining is difficult to model bargaining among autonomous software agents.

From Artificial Intelligence (AI) point of view, bargaining is a rivalry between intelligent agents. Logical reasoning must play an essential role in a bargaining process. A bargaining theory should be able to model both logical reasoning behind bargaining.

This talk gives a brief introduction to a logical theory of bargaining. Instead of abstracting a bargaining problem as a numerical game, we describe bargaining terms and their constraints in logical language. A bargaining problem is then modelled as a vector of sets of ordered bargaining terms in terms of bargainers' preferences. A solution to a bargaining problem is defined as a logically consistent collection of bargaining terms that maximize individual demand and minimize the imbalance of individual satisfaction. Depending on the representation of bargainers' preferences, the characterization of a bargaining solution can be in pure logical axioms or consists of a combination of logical and game-theoretic axioms. The logical theory of bargaining seemingly has offered a new methodology for bargaining analysis therefore could be also applied to the disciplines other than computer science, such as economics, social science and political science.


Contact
Laurent Perrussel
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Institut de Recherche en Informatique de Toulouse (IRIT)
 
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Faculté d'informatique

Mise à jour le 9 février 2012


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L'Université Toulouse Capitole (UT Capitole) est un pôle d'excellence international d'enseignement et de recherche en droit, économie et gestion. Elle est fière de compter le Prix Nobel d’économie 2014, Jean Tirole, parmi ses enseignants-chercheurs. En 2012, la Commission européenne lui a attribué le label Centre d’excellence Jean-Monnet.

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