Department of Economics and management, CAPEC (Cellule d’Analyse de Politiques Economiques du Cires), University of Cocody – Abidjan, Côte d’Ivoire. E-mail: wautabouna@yahoo.ca.
, 2015, 14(1), 1-6;
Received : 26 Dec 2015 / Accepted : 16 Aug 2025 / Published : 26 Dec 2015