Expanding Access to Clean Water for the Rural Poor: Experimental Evidence from Malawi
American Economic Journal: Economic Policy
vol. 15,
no. 1, February 2023
(pp. 272-305)
Abstract
Data from an 18-month randomized trial show large and sustained impacts on water purification and child health of a program providing monthly coupons for free water treatment solution to households with young children. The program is more effective and much more cost effective than asking Community Health Workers (CHWs) to distribute free chlorine to households during routine monthly visits. This is because only 40 percent of households use free chlorine, targeting through CHWs is worse than self-targeting through coupon redemption, and water treatment promotion by CHWs does not increase chlorine use among beneficiaries of free chlorine.Citation
Dupas, Pascaline, Basimenye Nhlema, Zachary Wagner, Aaron Wolf, and Emily Wroe. 2023. "Expanding Access to Clean Water for the Rural Poor: Experimental Evidence from Malawi." American Economic Journal: Economic Policy, 15 (1): 272-305. DOI: 10.1257/pol.20210121Additional Materials
JEL Classification
- I12 Health Behavior
- I18 Health: Government Policy; Regulation; Public Health
- J13 Fertility; Family Planning; Child Care; Children; Youth
- O12 Microeconomic Analyses of Economic Development
- O13 Economic Development: Agriculture; Natural Resources; Energy; Environment; Other Primary Products
- Q53 Air Pollution; Water Pollution; Noise; Hazardous Waste; Solid Waste; Recycling
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