Affiliation: | 1.Department of Economics, Aarhus University, Fuglesangs Allé 4, 8210, Aarhus V, Denmark ;2.Research Institute of Industrial Economics (IFN), P.O. Box 55665, 102 15, Stockholm, Sweden ;3.Institute of Law and Economics, University of Hamburg, Johnsallee 35, 20148, Hamburg, Germany ;4.CESifo, Munich, Germany ; |