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Effectiveness of state-level vaccination mandates: Evidence from the varicella vaccine

机译:国家级疫苗接种指令的有效性:水痘疫苗的证据

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This paper utilizes longitudinal data on varicella (chickenpox) immunizations in order to estimate the causal effects of state-level school-entry and daycare-entry immunization mandates within the United States. We find significant causal effects of mandates upon vaccination rates among preschool children aged 19-35 months; these effects appear in the year of mandate adoption, peak two years after adoption, and show a minimal difference from the aggregate trend about six years after adoption. For a mandate enacted in 2000, the model and estimates imply that roughly 20% of the short-run increase in state-level immunization rates was caused by the mandate introduction. We find no evidence of differential effects for different socioeconomic groups. Combined with previous cost-benefit analyses of the varicella vaccine, the estimates suggest that state-level mandates have been effective from an economic standpoint.
机译:本文利用有关水痘(水痘)免疫的纵向数据,以估计美国境内州级入学和日托项目免疫授权的因果关系。我们发现强制性命令对19-35个月的学龄前儿童的疫苗接种率具有重大因果关系;这些影响出现在采用授权的年份,在采用后的两年达到顶峰,与采用后约六年的总体趋势显示出最小的差异。对于2000年颁布的一项授权,该模型和估计值表明,州一级免疫接种率短期内增长的大约20%是由于引入授权所致。我们发现没有证据表明不同的社会经济群体有不同的影响。结合先前对水痘疫苗的成本效益分析,这些估计值表明,从经济角度来看,州一级的授权是有效的。

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