Template-Type: ReDIF-Article 1.0 Author-Name: Guillermina Jasso Author-Name: Joseph Tracy Title: Comments Journal: Brookings-Wharton Papers on Urban Affairs Pages: 188-203 Volume: 2004 Issue: 1 Year: 2004 DOI: 10.1353/urb.2004.0012 Handle: RePEc:aoo:170975