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电视对中国儿童人力资本发展的长期影响

The long-term effect of television on children's human capital development in China
Journal of Development Economics · 2025 · Fangjing Zha、Di Zhou

中文摘要

本文考察童年时期接触教育类电视节目对人力资本形成的长期影响。我们聚焦于央视少儿频道(CCTV-14),这是中国首个专门面向儿童播出的全国性频道。利用各社区有线电视和卫星电视推广时间上的差异,我们证实,能够收看央视少儿频道使非认知技能获得了显著且持续的提升。这一收益在留守儿童中尤为突出,表明该频道在弥补早期发展劣势方面发挥了补偿性作用。相比之下,我们未发现其对认知结果存在持续影响的证据。这种观察到的非对称性凸显了节目内容在塑造技能发展中的重要性。最后,相较于未能收看的儿童,接触过央视少儿频道的儿童更有可能实现更高的社会经济地位、更好的健康状况以及更强的数字素养。

Abstract

This paper examines the long-term impacts of childhood exposure to educational television on human capital formation. We focus on CCTV-14, China's first nationally broadcast channel specifically designed for children. Exploiting variation in the timing of cable and satellite television rollout across communities, we document that access to CCTV-14 led to significant and persistent improvements in non-cognitive skills. These gains are particularly pronounced among left-behind children, suggesting that the channel played a compensatory role in addressing early developmental disadvantages. In contrast, we find no evidence of sustained effects on cognitive outcomes. The observed asymmetry underscores the importance of program content in shaping skill development. Finally, children exposed to CCTV-14 are more likely to achieve a higher socioeconomic status, better health, and enhanced digital literacy than those who did not.
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