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<p>This study uses a sudden policy introduction as a natural experiment to analyze the causal effects of near-cash transfers on infant health. Using individual-level administrative data, the study finds that the implementation of a prenatal transportation subsidy in Seoul leads to a 4.6 percent decrease in the incidence of low birth weight among pregnancies conceived before the policy. Although the program is not a cash transfer, its effects are similar to those of other cash transfer programs. Using national health insurance data, the study also finds that prenatal depression diagnoses decline significantly following the program’s implementation, suggesting that maternal mental health improvements may be one pathway through which the subsidy affects infant health.</p>

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The effect of near-cash transfers on infant health: Evidence from transportation subsidy in Seoul, South Korea

  • 期刊论文

  • 发表日期：

    2026年1月8日

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  • Sojung Hong

摘要

This study uses a sudden policy introduction as a natural experiment to analyze the causal effects of near-cash transfers on infant health. Using individual-level administrative data, the study finds that the implementation of a prenatal transportation subsidy in Seoul leads to a 4.6 percent decrease in the incidence of low birth weight among pregnancies conceived before the policy. Although the program is not a cash transfer, its effects are similar to those of other cash transfer programs. Using national health insurance data, the study also finds that prenatal depression diagnoses decline significantly following the program’s implementation, suggesting that maternal mental health improvements may be one pathway through which the subsidy affects infant health.