[1] Univ Crete, Dept Econ, Rethimnon, Greece
[2] Fordham Univ, Bronx, NY 10458 USA
[3] Bank Finland, Helsinki, Finland
[4] Univ Sydney, Sydney, NY USA
[5] Montpellier Business Sch, ICORE Bldg, Dept Financial Management Law & Accounting, 2300 Ave Moulins, F-34185 Montpellier 4, France