First Author:   Afees Salisu Department of Economics, University of Ibadan adebare1@yahoo.com   Department of Economics, University of Ibadan Ibadan, +234, Country   +2348034711769(Phone) +2348034711769(Fax) Second Author: Idris Ademuyiwa Department of Economics, University of Ibadan idris_ademuyiwa@yahoo.com   University of Ibadan, University of Ibadan Ibadan, +234, Country       Third Author: Basiru Fatai Department of Economics, University of Ibadan bofatai@gmail.com   Department of Economics, University of Ibadan Ibadan, +234, Nigeria