Affiliation: | (1) ZEW Centre for European Economic Research, L7 1, 68161 Mannheim, Germany;(2) BETA-Theme, Université Louis Pasteur, Strasbourg, 61 avenue de la Forêt-Noire, 67000 Strasbourg, France;(3) FHW Berlin School of Economics, Badensche Str. 50-51, 10825 Berlin, Germany |