東京大学社会科学研究所附属社会調査・データアーカイブ研究センター

SSJDAセミナー

2020年度第1回SSJDAセミナー(2020年8月4日(火)開催) 〝Does Experience Sharing Affect Farmers' Pro-environmental Behavior? A Randomized Controlled Trial in Vietnam″

日時
2020年8月4日(火)11時00分~12時00分
言語
英語
場所
zoom開催
題目
Does Experience Sharing Affect Farmers' Pro-environmental Behavior? A Randomized Controlled Trial in Vietnam
講師
Vu Ha Thu (広島大学)
討論者
Yuki Yamamoto (長崎大学), Masahiro Shoji(東京大学)
要旨
Encouraging farmers to adopt pro-environmental production is vital to the promotion of sustainable agriculture. Previous observational studies emphasize the importance of economic incentives and information access to farmers' decision-making processes; however, due to endogeneity issues, little strong causal evidence is available. This study makes an original contribution by experimentally examining the impacts of 50% price subsidy and information treatments on farmers' adoption of organic fertilizer. Exposure to the experience of farmers who have applied organic fertilizer is selected as our information treatment. We analyze data from a randomized controlled trial (RCT) conducted with 1287 small-scale tea farmers in Vietnam. We find significant impacts of both the information and 50% price subsidy treatments. Moreover, the effect of the former is approximately one-third that of the latter. Subgroup treatment analysis also reveals that the information treatment performs well for members of certification groups. Thus, to induce farmers to adopt pro-environmental production behaviors, information treatment can partially substitute for subsidies to reduce the burden on the public budget.

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