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Nada Ben elhadj
ISG, University of Tunis
 
Rue de la Liberté, Cité Bouchoucha 2000 Le Bardo
Tunis,
Tunisie
 
nadabelhadj@yahoo.com
 
 
 
 
 
 
JEL Areas:
L0 : Industrial Organization: General
C : Mathematical and Quantitative Methods