Youness El amri research and study laboratory in management, entrepreneurship, and finance, USMBA University of Fez   N: 500, Grpe Al AHD, Hay Nahda, Rabat Rabat, 10210 Morocco   elamriyouness@gmail.com             JEL Areas: F4 : Macroeconomic Aspects of International Trade and Finance: General C5 : Econometric Modeling: General