Quantifying the impact of farmers' social networks on the effectiveness of climate change mitigation policies in agriculture

IF 3.4 2区 经济学 Q1 AGRICULTURAL ECONOMICS & POLICY Journal of Agricultural Economics Pub Date : 2023-06-23 DOI:10.1111/1477-9552.12557
Cordelia Kreft, Robert Huber, David Schäfer, Robert Finger
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Abstract

To reduce agricultural greenhouse gas (GHG) emissions, farmers need to change current farming practices. However, farmers' climate change mitigation behaviour and particularly the role of social and individual characteristics remains poorly understood. Using an agent-based modelling approach, we investigate how knowledge exchange within farmers' social networks affects the adoption of mitigation measures and the effectiveness of a payment per ton of GHG emissions abated. Our simulations are based on census, survey and interview data for 49 Swiss dairy and cattle farms to simulate the effect of social networks on overall GHG reduction and marginal abatement costs. We find that considering social networks increases overall reduction of GHG emissions by 45% at a given payment of 120 Swiss Francs (CHF) per ton of reduced GHG emissions. The per ton payment would have to increase by 380 CHF (i.e., 500 CHF/tCO2eq) to reach the same overall GHG reduction level without any social network effects. Moreover, marginal abatement costs for emissions are lower when farmers exchange relevant knowledge through social networks. The effectiveness of policy incentives aiming at agricultural climate change mitigation can hence be improved by simultaneously supporting knowledge exchange and opportunities of social learning in farming communities.

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量化农民社会网络对农业减缓气候变化政策有效性的影响
为了减少农业温室气体(GHG)排放,农民需要改变当前的耕作方式。然而,人们对农民的气候变化减缓行为,特别是社会和个人特征的作用仍然知之甚少。利用基于代理的建模方法,我们研究了农民社会网络中的知识交流如何影响减排措施的采用以及每减少一吨温室气体排放的付款效果。我们的模拟基于 49 个瑞士奶牛场和养牛场的普查、调查和访谈数据,以模拟社会网络对温室气体总体减排量和边际减排成本的影响。我们发现,在每减少一吨温室气体排放支付 120 瑞士法郎(CHF)的情况下,考虑到社会网络,温室气体的总体减排量可增加 45%。如果没有任何社会网络效应,每吨减排量必须增加 380 瑞士法郎(即 500 瑞士法郎/吨 CO2eq)才能达到相同的整体温室气体减排水平。此外,当农民通过社会网络交流相关知识时,边际减排成本较低。因此,通过同时支持农业社区的知识交流和社会学习机会,可以提高旨在减缓农业气候变化的政策激励的有效性。
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来源期刊
Journal of Agricultural Economics
Journal of Agricultural Economics 管理科学-农业经济与政策
CiteScore
7.90
自引率
2.90%
发文量
48
审稿时长
>24 weeks
期刊介绍: Published on behalf of the Agricultural Economics Society, the Journal of Agricultural Economics is a leading international professional journal, providing a forum for research into agricultural economics and related disciplines such as statistics, marketing, business management, politics, history and sociology, and their application to issues in the agricultural, food, and related industries; rural communities, and the environment. Each issue of the JAE contains articles, notes and book reviews as well as information relating to the Agricultural Economics Society. Published 3 times a year, it is received by members and institutional subscribers in 69 countries. With contributions from leading international scholars, the JAE is a leading citation for agricultural economics and policy. Published articles either deal with new developments in research and methods of analysis, or apply existing methods and techniques to new problems and situations which are of general interest to the Journal’s international readership.
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