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投资于母亲?普惠托育计划对母亲工作与收入的长期影响

Investing in Mothers? The Long-Run Impact of a Universal Child Care Program on Maternal Work and Income
NBER Working Papers · 2026 · [{"name": "Michael Baker", "affiliation": []}, {"name": "Jonathan Gruber", "affiliation": []}, {"name": "Kevin S. Milligan", "affiliation": []}]

中文摘要

我们对普惠托育政策影响母亲长期劳动结果给出新的估计,考察了魁北克普惠性补贴托育项目对母亲劳动供给、收入、社会保障项目福利领取及税款缴纳的生命周期影响。我们发现,在子女早已度过学龄前阶段之后,该项目对母亲就业仍具有持久的正向影响。该项目对收入也存在长期影响,且这一影响逐渐扩大至劳动参与效应的两倍。这源于劳动力参与强度随时间提高以及小时工资随时间上升,说明早期的就业投入会在女性职业生涯后期产生乘数效应。职业升级的证据十分明确,但大部分增长发生在职业内部,其中包括子女结束托育后数年间劳动市场经验增加所带来的影响。我们进一步表明,由此税款缴纳在整个生命周期中持续增长,而社会救助与失业保险领取则相应下降。我们对这些效应的财政收支平衡所作的估计显示,财政收益流的净现值可能弥补该项目前期成本的75%至117%。

Abstract

We provide new estimates of the effects of universal child care on the long-term labor outcomes of mothers, documenting the life-cycle impact of Quebec’s universal, subsidized child care program on maternal labor supply, earnings, social program benefit receipt and tax remittances. We find an enduring positive impact on mothers’ employment long after children have aged out of the preschool years. There is also a long-run impact on earnings which grows to be twice as large as the participation effect. This arises because of growth in the intensity of labor force participation and a rise in hourly wages over time, suggesting that initial investments in work have multiplier effects later in women’s careers. There is clear evidence of occupational upgrading but most of the growth is within occupation, including the impact of more labor market experience in the years after children are out of child care. We show that, as a result, tax remittances grow over the lifecycle, and social assistance and employment insurance receipts fall. Our estimate of the fiscal balance of these effects reveals that the net present value of the flow of fiscal benefits may recapture between 75 and 117 percent of the upfront costs of the program.
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