| Author: | Ravallion, Martin; | Collection Title: | Policy, Research working paper
; no. WPS 3166 |
| Document Date: | 2003/11/30 | Document Type: | Policy Research Working Paper |
| Report Number: | WPS3166 | SubTopics: | Environmental Economics & Policies; Economic Theory & Research; Health Monitoring & Evaluation; Inequality; Labor Policies; Health Economics & Finance; Public Health Promotion |