[1] Univ Neuchatel, Inst Financial Anal, Rue AL Breguet 2, Neuchatel, Switzerland
[2] Univ Laval, Dept Finance Assurance & Immobilier, Quebec City, PQ, Canada
[3] Vrije Univ Brussel, Solvay Business Sch, Pl Laan 2, B-1050 Brussels, Belgium
[4] Vrije Univ Amsterdam, Fac Econ & Business, Amsterdam, Netherlands
[5] Katholieke Univ Leuven, Fac Econ & Business, Campus Carolus Antweipen,Korte Nieuwstr 33, B-2000 Antwerp, Belgium