1. Research Laboratory in Competitiveness, Commercial Decisions and Internationalization (CODECI), Faculty of Economics and Management of Sfax, University of Sfax, Aerodrome Road Km 4.5, Sfax 3018, Tunisia
2. Laboratory of Research on New Forms of Consumption (LaboNFC), Department of Economics and Administrative Sciences, University of Quebec at Chicoutimi, 555, Boulevard de l’Université, Saguenay, QC G7H 2B1, Canada