First Author:   Juan Carlos Cuestas Nottingham Trent University juan.cuestas@ntu.ac.uk   Nottingham Business School, Nottingham Trent University, Burton Street Nottingham, NG1 4BU, UK   00441158484328(Phone) 00441158484328(Fax) http://juancues.googlepages.com Second Author: Paulo José Regis University of Nottingham lexpjr@nottingham.ac.uk   School of Economics, Room C36, University Park, University of Nottingham Nottingham, NG7 2RD, UK   00441158466558(Phone)   http://pauloregis.com.ar