Template-Type: ReDIF-Article 1.0 Author-Name: John Karl Scholz Author-Name: Jens Ludwig Title: Comments Journal: Brookings-Wharton Papers on Urban Affairs Pages: 173-184 Volume: 2006 Issue: 1 Year: 2006 DOI: 10.1353/urb.2006.0022 Handle: RePEc:aoo:205336