Abstract
Preschool-aged children account for over 38 per cent of those left behind. Previous research suggests that maternal migration during early childhood may create a greater negative impact, however, the literature on the effect of maternal migration on cognitive development of preschool aged children is rare. This study uses a unique panel dataset following children from infancy to 63 months and their caregivers to estimate the causal effects of maternal migration on the critical cognitive development of children left behind. We find that maternal migration increases the probability of cognitive delay by six percentage points. Possible mechanisms include a generational shift in parenting and feeding practices leading to reduced engagement in stimulating activities and dietary diversity. To the best of our knowledge, this is the first study to examine the causal effects of maternal migration on cognition during the first six years of life in rural China.
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