Template-Type: ReDIF-Article 1.0 Author-Name: Thomas J. Holmes Author-Name: Roger G. Noll Title: Comments Journal: Brookings-Wharton Papers on Urban Affairs Pages: 285-303 Volume: 2004 Issue: 1 Year: 2004 DOI: 10.1353/urb.2004.0008 Handle: RePEc:aoo:170971