Ben mbarek Kais university of jendouba   ,   kaisfsegt@yahoo.fr     Biographical Sketch: PHD management in Faculty of Legal, Economic, and Management Sciences, University of Jendouba Courses Taught: Financial Management, Financial Mathematics, Treasury Management, Financial Decision Making, Islamic Finance, Banking Risk Management, Derivatives Markets, Financial Intermediation, and Advanced Financial Diagnosis.       JEL Areas: G1 : General Financial Markets: General (includes Measurement and Data) C5 : Econometric Modeling: General