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		| Jean-françois  Caulier | 
	
		| Université Paris 1 Panthéon-Sorbonne | 
	
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		| Centre D'Economie de la Sorbonne | 
	
		| 106-112 Boulevard de l'Hôpital | 
	
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		| Paris,  75013 | 
	
		| France | 
	
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		| jean-francois.caulier@univ-paris1.fr | 
	
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		| JEL Areas: C7 : Game Theory and Bargaining Theory:General
 D8 : Information, Knowledge, and Uncertainty: General
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