Institution: | (1) Laboratoire Leibniz-IMAG, 46 avenue F’elix Viallet, 38031 Grenoble cedex, France;(2) HEC Management School, University of Liège, Boulevard du Rectorat 7 (B31), 4000 Liège, Belgium;(3) Department of Quantitative Economics, Maastricht University, P.O. Box 616, 6200 MD, Maastricht, The Netherlands;(4) Department of Mathematics, Maastricht University, P.O. Box 616, 6200 MD Maastricht, The Netherlands |