Almenberg, Johan; Karapetyan, Artashes - 2009
Research Institute of Industrial Economics
P.O. Box 55665
SE-102 15 Stockholm, Sweden
info@ifn.se
www … partici-
pants at the Stockholm School of Economics for helpful comments and suggestions. We
thank HSB Riksf�rbund for …�derberg Foundations, for �nancial support.
yDepartment of Economics, Stockholm School of Economics, and the Research Institute
of …