Mourad SANDI LEN-University of Nantes   Faculté de Sciences Economiques et de Gestion Chemin de la Censive du Tertre BP 52231 Nantes Cedex 3, 44322 France   mourad.sandi@univ-nantes.fr   http://bonjorn.sc-eco.univ-nantes.fr/ ~cebs/Pages/Sandi/cvsandi.htm       Primary Research Focus: Unionization in European country   JEL Areas: J5 : Labor-Management Relations, Trade Unions, and Collective Bargaining: General C3 : Multiple or Simultaneous Equation Models: General