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Study on Heterogeneous Intergenerational Income Correlations among Subpopulations

초록/요약

The intergenerational income correlation reflects the degree of influence of parents’ income on their children’s income. Based on previous studies, the intergenerational income correlation is usually supposed to be constant. This paper attempts to estimate the intergenerational income correlations and elasticities among subpopulations in China with hetero-correlation. We compare estimated intergenerational income elasticities with four models where one is basic model and two are extended model and the last is hetero-correlation model applying the data from the China Health and Nutrition Survey undertaken in 2009 and 2015 with respect to father-child and mother-child. We analyze that the average level of intergenerational income elasticities is similar no matter hetero-correlation taken into consideration, but we observe that in 2015 the heterogeneous intergenerational income elasticities follow a bimodality distribution. That means the log-linear basic model could measure the average intergenerational income elasticity of the whole society while the hetero-correlation model is able to estimate the intergenerational income correlations among subpopulations. What’s more, we assume the hetero-correlation function is nonlinear and analyze that the association between intergenerational income elasticity and covariates is not simple linear relation.

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목차

1.Introduction 1
2.Literature Review 3
3.Models 6
4.Data 8
5.Regression Results 14
5.1Results of Basic model and Extended1 model 14
5.2Results of Extended2 model 16
5.3Results of HC model 17
6.Conclusion 22
Reference 25

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