Affiliation: | 1. University of Sousse, Sousse 4054, Tunisia;2. IPAG Business School, Paris 75006, France;3. University of Manouba, Manouba 2010, Tunisia;1. Department of Economic and Regional Development, Panteion University, 136 Syngrou Av., Athens, 176 71, Greece;2. Postgraduate Department of Business Administration, Hellenic Open University, Aristotelous 18, 26 335, Greece;1. University of Ghana Business School, Ghana;2. Bank of Ghana, Ghana;1. Department of Finance and Investment, college of Economics and Administrative Sciences, Al Imam Mohammad Ibn Saud Islamic University (IMSIU), PO Box 5701, Riyadh, Saudi Arabia;2. Faculty of Economics and Management (FSEG) of Sfax, University of SFAX, B.P. 3018 Sfax, Tunisia |