Template-Type: ReDIF-Article 1.0 Author-Name: Pinelopi Koujianou Goldberg Author-Name: Marc J. Melitz Title: Comments and Discussion Journal: Brookings Trade Forum Pages: 28-40 Volume: 2003 Issue: 1 Year: 2003 DOI: 10.1353/btf.2004.0008 Handle: RePEc:aoo:52746