Template-Type: ReDIF-Article 1.0 Author-Name: Anne Morrison Piehl Author-Name: Mark G. Duggan Title: Comments Journal: Brookings-Wharton Papers on Urban Affairs Pages: 244-253 Volume: 2004 Issue: 1 Year: 2004 DOI: 10.1353/urb.2004.0003 Handle: RePEc:aoo:170966