Olayinka Idowu Kareem European University Institute   Badia Fiesole, Via dei Roccetini 9 Badia Fiesole, Via dei Roccetini 9 Florence, Tuscany 50014 San Domenico Italy   olayinkaidowuus@yahoo.com   www.eui.eu           JEL Areas: F1 : Trade: General C1 : Econometric and Statistical Methods: General