Jose-Victor Rios-RullUniversity of MinnesotaDepartment of Economics 4-101 Hanson Hall (off 4-179) 1925 Fourth Street South Minneapolis, MN 55455 Tel: 215/898-7767 Fax: 215/573-2057
E-Mail: |

National Bureau of Economic Research, 1050 Massachusetts Ave.,
Cambridge, MA 02138; 617-868-3900; email: info@nber.org









