Community matters: Heterogeneous impacts of a sanitation intervention

• DOI: 10.1016/j.worlddev.2023.106197
• Publication Date: 2023-02-08T12:36:33Z
• Authors: Laura Abramovsky; Britta Augsburg; Melanie Lührmann; Francisco Oteiza; Juan Pablo Rud
• Keywords: Improved sanitation; Microdata (statistics); Participatory development

Sanitation is at the heart of public health policies in most developing world, where around 85% population still lack access to safe sanitation. We study effectiveness a widely adopted participatory community-level information intervention aimed improving Results from randomized controlled trial, implemented scale rural Nigeria, reveal stark heterogeneity impacts: has immediate, strong and lasting effects on sanitation practices less wealthy communities, realized through increased investments. In contrast, we find no evidence impacts among wealthier communities. This suggests that targeted implementation CLTS may increase its Our findings can be replicated other contexts, using microdata evaluations similar interventions.