JAWADI Fredj Amiens School of Management and EconomiX-CNRS-University of Paris 10   Groupe Sup de Co Aimens 18, Place Saint Michel Amiens, 80000 France   fredj.jawadi@supco-amiens.fr   http://economix.u-paris10.fr/fr/publications/membres/detail.php?id=45       Primary Research Focus: Stock market, asset prices, insurance, nonlinearity, threshold models   JEL Areas: C2 : Single Equation Models; Single Variables: General G1 : General Financial Markets: General (includes Measurement and Data)