Template-Type: ReDIF-Article 1.0 Author-Name: Janice F. Madden Author-Name: Edward Glaeser Title: Comments Journal: Brookings-Wharton Papers on Urban Affairs Pages: 21-29 Volume: 2009 Issue: 1 Year: 2009 DOI: 10.1353/urb.0.0026 Handle: RePEc:aoo:315235