1. Carl Chiarella and Christina Sklibosios Nikitopoulos are at Finance Discipline Group, UTS Business School; University of Technology; Sydney, P.O. Box 123 Broadway, NSW 2007 Australia
2. Boda Kang is at Department of Mathematics; University of York; Heslington, York YO10 5DD United Kingdom
3. Thuy-Duong Tô is at School of Banking and Finance, UNSW Business School; The University of New South Wales; Sydney, NSW 2052 Australia