[1] Univ Melbourne, Dept Finance, Level 12,198 Berkeley St, Melbourne, Vic 3010, Australia
[2] Georgia State Univ, Dept Risk Management & Insurance, J Mack Robinson Coll Business, 35 Broad St, Atlanta, GA 30303 USA
[3] Georgia State Univ, Dept Finance, J Mack Robinson Coll Business, 35 Broad St, Atlanta, GA 30303 USA