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東京大学公共政策大学院 | GraSPP / Graduate School of Public Policy | The university of Tokyo

GraSPP Research Seminar “Early life exposure to tap water and the development of cognitive skills”
Dr. Yvonne Jie Chen, National University of Singapore 2017年04月24日(月)

GraSPP Research Seminar 

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GraSPP Public Policy Research Seminar “Early life exposure to tap water and the development of cognitive skills”

Date & Time: April 24 (Monday), 2017, 16:50-18-35

Venue: Seminar Room 1, 1st floor of the Economic Research Annex (Kojima Hall)

Co-hosted by: Tokyo Workshop on International Development 2017

Lecturer: Yvonne Jie Chen (National University of Singapore)


To improve drinking water accessibility and safety in rural China, the Chinese government launched the rural drinking water program in the 1980s. As part of the program, tap water infrastructure has been constructed in rural areas to supply tap water to rural residents. This policy intervention provides a unique opportunity to examine the impact of early life exposure to tap water on children’s cognitive achievement in later life. Using data extracted from the China Family Panel Studies (CFPS), we find that one additional year of exposure to tap water in early life increases average cognitive test score by 0.109 standard deviations for a sample of rural children aged 10-15 in 2010. The effect is larger for children whose fathers are less-educated. Event study estimates confirm that the beneficial impacts are concentrated in early life with limited additional impact after the time window.