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助学资助与向上流动:来自哥伦比亚“Ser Pilo Paga”项目的证据

Financial Aid and Upward Mobility: Evidence from Colombia’s Ser Pilo Paga
Journal of Political Economy · 2026 · Juliana Londoño-Vélez、Catherine Rodríguez、Fabio Sánchez、Luis Álvarez-Arango

中文摘要

我们研究助学资助对向上流动的影响。我们估计了哥伦比亚一项面向学业成绩优异、社会经济地位较低学生的政策对其日后教育和劳动力市场结果的因果影响。利用断点回归设计、双重差分和覆盖全国人口的行政微观数据,我们发现该政策提高了学生在高增值大学的就读率和毕业率,尤其是在STEM(科学、技术、工程、数学)领域。大学质量的提升促进了更大的技能发展。九年后,受助者的收入高出18个对数点,且进入收入前1%群体的可能性更高。该政策缩小了大学质量、教育成就、技能发展、收入以及能力回报方面的社会经济差距,改善了公平与效率。

Abstract

We study the impact of financial aid on upward mobility. We estimate the causal impacts of a Colombian policy targeting high-achieving, low-socioeconomic-status students on later-life educational and labor market outcomes. Using regression discontinuity design, difference-in-differences, and population-wide administrative microdata, we find that the policy boosted attendance and completion at high-value-added colleges, particularly in STEM fields. Improved college quality led to greater skill development. Nine years later, recipients earn 18 log points more and are more likely to reach the top 1%. The policy narrowed socioeconomic gaps in college quality, attainment, skill development, earnings, and returns to ability, improving equity and efficiency.

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