Template-Type: ReDIF-Article 1.0 Author-Name: Paul N. Courant Author-Name: Jens Ludwig Title: Comments Journal: Brookings-Wharton Papers on Urban Affairs Pages: 71-78 Volume: 2003 Issue: 1 Year: 2003 DOI: 10.1353/urb.2003.0001 Handle: RePEc:aoo:46221