Here Today, Gone Tomorrow? Toward an Understanding of Fade-out in Early Childhood Education Programs

John List and Haruka Uchida

No 33027, NBER Working Papers from National Bureau of Economic Research, Inc

Abstract: An unsettling stylized fact is that decorated early childhood education programs improve cognitive skills in the short-term, but lose their efficacy after a few years. We implement a field experiment with two stages of randomization to explore the underpinnings of the fade-out effect. We first randomly assign preschool access to children, and then partner with the local school district to randomly assign the same children to classmates throughout elementary school. We find that the fade-out effect is critically-linked to the share of classroom peers assigned to preschool access—with enough treated peers the classic fade-out effect is muted. Our results highlight a paradoxical insight: while the fade-out effect has been viewed as a devastating critique of early childhood programs, our results highlight that fade-out is a key rationale for providing early education to all children. This is because human capital accumulation is inherently a social activity, leading early education programs to deliver their largest benefits at scale when everyone receives such programs.

JEL-codes: C93 I24 I30 J19 (search for similar items in EconPapers)
Date: 2024-10
New Economics Papers: this item is included in nep-exp, nep-ltv and nep-ure
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