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本文以甘南高原为研究区域,基于农户调查数据分析了农户的社会网络及其风险分担行为特征,利用二元Logistic模型考察了社会网络对农户风险分担行为选择的影响以及基于社会网络的非正规风险分担行为的效果。结果表明,甘南高原农户的社会网络规模有限、支持能力低但紧密度高,基于社会网络的非正规风险分担机制是甘南高原农户应对风险的最重要手段但其风险分散空间狭小,提高社会网络的紧密度与支持能力将增加农户非正规风险分担行为的发生比,增加社会网络的规模与支持能力有助于平滑农户消费波动。
This paper takes Gannan Plateau as the research area, analyzes the peasant household’s social network and its risk-sharing behavior characteristics based on the household survey data, and uses the binary Logistic model to examine the impact of the social network on the peasant household’s risk-sharing behavior choice and the informal risk based on social network Share the effect of the act. The results show that the scale of social networks of farmers in Gannan Plateau is limited and the supportive capacity is low but highly compact. The informal risk-sharing mechanism based on social networks is the most important means for farmers to deal with risks in Gannan Plateau. However, the risk dispersion space is limited and the social network Tightness and support will increase the incidence of informal risk-sharing among farmers, and increasing the size and supporting capacity of social networks will help to smooth household consumption fluctuations.