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J Health Econ. 2010 May;29(3):404-17. doi: 10.1016/j.jhealeco.2010.03.001. Epub 2010 Mar 6.
We estimate the effect of education on smoking. Our estimation strategy "differences out" the impact of unobserved characteristics correlated with education by exploiting education differences between similarly selected groups 1 year apart in their life cycle. Individuals with a given age, education, and student status in the current and previous year are compared to their counterparts born 1 year later with the same age, education, and student status in the following and current year. We find that an additional year of education does not have a causal effect on smoking. Unobserved factors correlated with education entirely explain their cross-sectional relationship.
我们评估了教育对吸烟的影响。我们的估计策略通过利用生命周期中相差 1 年的相似组之间的教育差异，“排除”了与教育相关的未观察到的特征的影响。将当前和前一年具有给定年龄、教育程度和学生身份的个人与下一年和当前具有相同年龄、教育程度和学生身份的同龄人进行比较，可以看出，受教育年限的增加对吸烟没有因果影响。与教育相关的未观察到的因素完全解释了它们的横断面关系。
