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本文利用陕西、河南、宁夏三省1420户微观农户数据,运用Heckman样本选择模型,从是否参与供给和参与供给程度两个方面,实证分析社会资本对农户参与小型农田水利供给行为的影响效应。研究表明,社会资本对农户是否参与供给及参与供给程度均通过正向显著性检验;社会资本各维度变量中,关系网络对农户是否参与供给未通过显著性检验,而对农户参与供给程度有显著正向影响;社会信任对农户是否参与供给通过正向显著性检验,对农户参与供给程度未通过显著性检验,但有负向影响。
Based on the data of 1,420 micro-households in Shaanxi, Henan and Ningxia provinces, this paper uses the Heckman sample selection model to analyze the effect of social capital on the participation of farmers in the water supply behavior of small-scale farmland from two aspects of whether to participate in the supply and participate in the supply. The research shows that the social capital has passed the test of positive significance to whether the peasant households participate in the supply and the degree of participation in the supply. Among all the variables of social capital, the relation network does not pass the significant test on whether the peasant households participate in the supply, Positive influence; Social trust does not pass the significant test on whether farmers participate in the supply through the positive significance test, but has a negative impact on the degree of participation of farmers.