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Do informational nudges effectively enhance the legal compliance of fertiliser companies? Lessons from randomised field experiments in Japan

Hiroki Sasaki & Daisuke Kunii

European Review of Agricultural Economics2025https://doi.org/10.1093/erae/jbaf005article
AJG 3ABDC A
Weight
0.41

Abstract

This study examines whether informational nudges effectively enhance adherence to the Fertiliser Act among Japanese fertiliser companies (N = 2,382) by conducting field experiments in collaboration with a national regulatory body. We find that the timely submission of reports to the authority increased by at least 5.7 percentage points, from a baseline of 70.3 per cent. This result suggests that highlighting the consequences of noncompliance—such as imprisonment and fines—through a loss aversion message effectively encourages compliance. These effects sustained for over a year in some regions, though being marginally significant. The loss aversion message has the greatest impact among both the smallest and largest companies.

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https://doi.org/https://doi.org/10.1093/erae/jbaf005

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@article{hiroki2025,
  title        = {{Do informational nudges effectively enhance the legal compliance of fertiliser companies? Lessons from randomised field experiments in Japan}},
  author       = {Hiroki Sasaki & Daisuke Kunii},
  journal      = {European Review of Agricultural Economics},
  year         = {2025},
  doi          = {https://doi.org/https://doi.org/10.1093/erae/jbaf005},
}

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Do informational nudges effectively enhance the legal compliance of fertiliser companies? Lessons from randomised field experiments in Japan

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Evidence weight

0.41

Balanced mode · F 0.40 / M 0.15 / V 0.05 / R 0.40

F · citation impact0.25 × 0.4 = 0.10
M · momentum0.55 × 0.15 = 0.08
V · venue signal0.50 × 0.05 = 0.03
R · text relevance †0.50 × 0.4 = 0.20

† Text relevance is estimated at 0.50 on the detail page — for your query’s actual relevance score, open this paper from a search result.