| Author: | Schafer, Andreas; | Collection Title: | Policy Research working paper
; no. WPS 6234 |
| Document Date: | 2012/10/01 | Document Type: | Policy Research Working Paper |
| Report Number: | WPS6234 | SubTopics: | Environmental Economics & Policies; Transport Economics Policy & Planning; Climate Change Economics; Climate Change Mitigation and Green House Gases; Roads & Highways |