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First Author:
 
Mohamed Ali Bchir
ENGEES - UMR GESTE
mbchir@engees.unistra.fr
 
 
 
 

Second Author:

Anne Rozan
ENGEES - UMR GESTE
anne.rozan@engees.unistra.fr
 
 
 
 

Third Author:

Marc Willinger
UFR d''économie - UMR LAMETA
willinger@lameta.univ-montp1.fr