Sami Chaabpuni faculty of Economics and Management of Sfax   Street of airport, km 4.5, LP 1088, Sfax 3018 Tunisia   ch.sami6@gmail.com   https://tn.linkedin.com/in/sami-chaabouni-3a9140aa           JEL Areas: I1 : Health: General D7 : Analysis of Collective Decision-Making: General