统计研究 ›› 2012, Vol. 29 ›› Issue (6): 60-67.

• 论文 • 上一篇    下一篇

中国农村居民的健康动态研究

韩华为   

  • 出版日期:2012-06-15 发布日期:2012-06-20

Study on Individual’s Health Dynamics in Rural China

Han Huawei   

  • Online:2012-06-15 Published:2012-06-20

摘要: 利用四轮中国健康与营养状况调查构成的面板数据(1997-2006),本文研究了中国农村居民的健康动态决定过程及健康持续性。我们使用动态随机效应probit模型控制了个体的不可观测异质性。同时,为了避免状态依赖效应的估计偏差,本文分别采纳了Heckman(1981)和Wooldridge(2005)提出的估计方法来处理“初始条件问题”。结论表明:在控制了其他因素之后,状态依赖效应对中国农村居民健康状况具有显著的影响;此外,那些年龄较大、教育水平较低、收入水平较低的农村弱势群体陷入持续性健康问题的可能性更大。

关键词: 健康动态, 状态依赖, 动态随机效应probit模型

Abstract: Based on four waves (1997-2006) panel data of China Health and Nutrition Survey, this paper studies the individuals’ health dynamics and its persistence in rural China. We use the dynamic random effects probit model to control the unobservable heterogeneity. In addition, through adopting two estimation method developed by Heckman(1981) and Wooldridge(2005) respectively, we deal with the “initial conditions problem”. We find that state dependence have significant effects on rural individuals’ health status after controlling for other factors. Our sub-sample analysis concludes that those who are older and have lower level of income and less education are more likely to fall into persistent health problems.

Key words: Health Dynamics, State Dependence, Dynamic Random Effect Probit Model