This paper uses a randomized controlled experiment in which farmers trained on a new rice cultivation method teach two other farmers. The results show that the intervention increases yields and farm profits among treated farmers. Teacher-trainees are effective at spreading knowledge and inducing adoption relative to just training. Incentivizing teacher-trainees improves knowledge transmission but not adoption. Matching teacher-trainees with farmers who list them as role models does not improve knowledge transmission and may hurt adoption. Using mediation analysis, the study finds that the knowledge of the teacher-trainee is correlated with that of their students, consistent with knowledge transmission. The paper also finds that systems of rice intensification (SRI) knowledge predicts adoption of some SRI practices, and that adoption by teacher-trainees predicts adoption by their students, suggesting that students follow the example of their teacher. With cost-benefit estimates of social returns in excess of 100 percent, explicitly mobilizing peer-to-peer (P2P) transmission of knowledge seems a cost-effective way of inducing the adoption of new profitable agricultural practices.

中文翻译：

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为新农业实践动员 P2P 传播：来自孟加拉国的实验证据

本文使用随机对照实验，在该实验中，受过新水稻种植方法培训的农民教另外两名农民。结果表明，干预增加了治疗农民的产量和农场利润。与仅进行培训相比，受训教师在传播知识和诱导采用方面是有效的。激励受训教师可以促进知识的传播，但不能提高采用率。将受训教师与将他们列为榜样的农民相匹配并不能促进知识传播，而且可能会损害采用率。使用中介分析，研究发现教师-实习生的知识与学生的知识相关，与知识传递一致。该论文还发现，水稻集约化 (SRI) 知识系统可以预测采用一些 SRI 实践，受训教师的采用预示着学生的采用，这表明学生效仿老师的榜样。由于对社会回报的成本效益估计超过 100%，明确动员点对点 (P2P) 知识传播似乎是一种具有成本效益的方式，可以促使采用新的有利可图的农业实践。