First Author:   Corrado Di Guilmi Economics Discipline Group - University of Technology, Sydney corrado.diguilmi@uts.edu.au   , 59/14 Blues Point Road Haymarket, 02007, Australia       Second Author: Carl Chiarella Finance Discipline Group - University of Technology, Sydney carl.chiarella@uts.edu.au   PO box 123 Haymarket, 02007, Australia