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基于一项具有全国代表性的抽样调查数据,文章通过Logistic多元估计模型与倾向值匹配等量化方法,以代际投入对农村老年人代际经济支持的影响分析为切入点,回应了代际合作与家庭效用关系的经典命题。结果表明:父代经济收入与子代数量,影响着子代投入与农村老年人代际经济支持之间的关系。在三代的代际交换中,给予孙代的投入对农村老年人代际经济支持产生显著性影响,并且存在着稳健性的正向效应。在三代的代际合作中,给予孙代的投入对家庭效用产生了正向显著性影响。文章指出了代际合作与农村老年人家庭效用之间的正向关系,生育偏好成为影响农村老年人家庭效用的重要参数,并说明了代际交换的不平衡以及子代家庭效用增长等问题。
Based on a nationally representative sample of survey data, through quantitative methods such as Logistic Multivariate Estimation Model and Probabilistic Value Matching, the article analyzes the influence of intergenerational input on intergenerational economic support for the elderly in rural areas, and responds to the intergenerational cooperation The classic proposition of relationship with family utility. The results show that: the father’s economic income and the number of offspring affect the relationship between offspring’s input and the intergenerational economic support for the elderly in rural areas. In the intergenerational exchange of three generations, the input given to the grandchildren had a significant impact on the intergenerational economic support of the elderly in rural areas, and there was a positive effect of prudence. In the intergenerational cooperation of the three generations, the input given to the grandchildren had a positive and significant impact on the family’s utility. The paper points out the positive relationship between intergenerational cooperation and the family utility of the elderly in rural areas. The birth preference has become an important parameter that affects the family utility of the elderly in rural areas. It also illustrates the imbalances in intergenerational exchange and the growth of the utility of children in the offspring.