Affiliation: | 1.School of Management and Economics & Center for West African Studies, University of Electronic Science and Technology of China, No.2006, Xiyuan Ave.West Hi-Tech.Zone, Chengdu, China ;2.University for Development Studies, Wa, Ghana. School of Business and Law, Department of Accountancy and Commerce, Wa, Ghana ;3.Department of Applied Mathematics, Koforidua Technical University, Post Office Box KF981, Koforidua, Ghana, West Africa ; |