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Chat Over Coffee? Diffusion of Agronomic Practices and Market Spillovers in Rwanda / Esther Duflo, Daniel Keniston, Tavneet Suri, Céline Zipfel.
- Format:
- Book
- Author/Creator:
- Duflo, Esther.
- Series:
- Working Paper Series (National Bureau of Economic Research) no. w31368.
- NBER working paper series no. w31368
- Language:
- English
- Physical Description:
- 1 online resource: illustrations (black and white);
- Place of Publication:
- Cambridge, Mass. National Bureau of Economic Research 2023.
- Summary:
- Agricultural extension programs often train a few farmers and count on diffusion through social networks for the innovation to spread. However, if markets are imperfectly integrated, this may also inflict negative externalities. In a two-step experiment of an agronomy training program among Rwandan coffee farmers, we first randomize the concentration of trainees at the village level and then randomly select within each village. Knowledge increased, and yields were 6.7% higher for trained farmers. We find no evidence of social diffusion; instead, control households experienced negative spillovers in high treatment concentration areas, likely because of competition for a scarce input, fertilizer.
- Notes:
- Print version record
- June 2023.
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