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根据中国综合社会调查(CGSS 2006)的调查数据,借助一般线性回归和分位数回归的统计技术,可以研究社会网络资本对城市贫困人口收入的影响。研究发现:贫困人口的春节拜年网的规模越大,收入越高。但网络规模只对中高收入者的收入有影响,其中,对中等收入者的影响较大。网络密度只对高收入者有影响,而且,网络密度越大,即关系越密切,其收入越高。并非人越穷,其社会资本所起的作用越大,对于很穷的人来说,其社会资本完全不起作用。
According to the survey data from the China General Social Survey (CGSS 2006), statistical techniques such as general linear regression and quantile regression can study the impact of social network capital on the incomes of urban poor. The study found that the larger the annual net income of the poor, the higher the income is. However, the size of the network only affects the income of high-income earners, of which, the impact on middle-income earners is greater. Network density only affects high-income earners, and the greater the network density, the closer the relationship, the higher the income. The poorer people are, the greater their role in social capital is, and for the very poor, their social capital is totally ineffective.