First Author:   Agnes Zabsonre Department of Economics, Nazi Boni University Partnership for Economic Policy (PEP) zabagnes@yahoo.fr   BP 1091 Bobo-Dioulasso, Burkina Faso       Second Author: Maxime Agbo School of Statistics, Planning and Demography, University of Parakou agbomaxime@gmail.com   BP 1009 Parakou, Benin