Institution: | a Department of Economics, Centre For Finance, School of Business, Economics and Law, University of Gothenburg. P.O. Box 640, SE-405 30 Göteborg, Swedenb Department of Actuarial Studies, Faculty of Business and Economics, Macquarie University, NSW 2109, Australiac Department of Mathematics, University of Chemnitz, Reichenhainer Strasse 41, 09126 Chemnitz, Germany |