Beyond Treatment Exposure
利用丹麦护士罢工导致家庭访视取消的自然实验，研究发现错过早期访视会增加儿童和母亲后续就医，而后期访视影响不大，机制可能在于护士及时筛查产妇心理健康和提供信息。
<h3>Abstract</h3> This paper studies the impact of the timing of early-life investment policies on child and maternal health. We exploit variation induced by a nurse strike in Denmark, that resulted in a large-scale cancellation of home visits for families with infants. Combining unique nurse records with administrative data, we show that missing the early but not later visits increases subsequent child and mother contacts to health professionals. We show that likely mechanisms for these results include nurses’ focus on timely maternal mental health screening and information provision to new families.