He works in the Department of Economics, École Supérieure de Commerce de Tunis, University of Manouba, ThÉMA LR16ES10, Campus Universitaire Manouba, 2010 Manouba, Tunisia; ahmed.chafai@esct.rnu.tn.
He works in the Department of Economics, École Supérieure de Commerce de Tunis, University of Manouba, ThÉMA LR16ES10, Campus Universitaire Manouba, 2010 Manouba, Tunisia; ahmed.chafai@esct.rnu.tn.