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首页> 外文期刊>Journal of health economics >Having the wrong friends? Peer effects in adolescent substance use
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Having the wrong friends? Peer effects in adolescent substance use

机译：有错误的朋友吗？青少年物质使用中的同伴效应

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摘要

Swedish cross-sectional survey data on young individuals aged 12-18-year-old was used to analyse school-class based peer effects in binge drinking, smoking and illicit-drug use. Significant and positive peer effects were found for all three activities. By introducing school/grade fixed effects, the estimated peer effects were identified by variation in peer behaviour across school-classes within schools and grades, implying that estimates were not biased due to endogenous sorting of students across schools. Further, endogeneity bias due to bi-directionality of peer effects was found for binge drinking and smoking. Controlling for this source of endogeneity resulted in even stronger peer effects.
机译：瑞典对12至18岁的年轻人进行的横断面调查数据用于分析暴饮酒，吸烟和非法药物使用中基于学校的同龄人的影响。在所有三个活动中发现了显着和积极的同伴效应。通过引入学校/年级固定效应，可以通过学校和年级中各班级同伴行为的变化来确定估计的同伴效应，这意味着估计数不会因各校学生的内生排序而产生偏差。此外，对于暴饮暴食和吸烟，发现由于同伴效应的双向性引起的内生性偏差。控制这种内生性来源会导致更强的同伴效应。

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