| Author: | Portugal-Perez, Alberto; Wilson, John S.; | Collection Title: | Policy Research working paper
; no. WPS 5261 |
| Document Date: | 2010/04/01 | Document Type: | Policy Research Working Paper |
| Report Number: | WPS5261 | SubTopics: | Environmental Economics & Policies; Transport Economics Policy & Planning; Economic Theory & Research; Free Trade; Trade Policy |