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First Author:
 
Jean-michel Courtault
Université Paris 13
courtault.jean-michel@univ-paris13.fr
 
Département Sciences économiques et de Gestion, 99, Avenue Jean-Baptiste Clément
Villetaneuse, 93430, France
 
 
 

Second Author:

Jean-michel Courtault
Université Paris 13
courtault.jean-michel@univ-paris13.fr