Using different production function models, we study the causal association between adolescence development and the increase in the gap in math performance between boys and girls. We use data from the 1958 British National Child Development Study, a longitudinal survey of all British children...

We study the effects of maternal age on infant health. Age at birth has been increasing for the past several decades in many countries, and correlations show that health at birth is worse for children born to older mothers. In order to identify causal effects, we exploit school entry cutoffs and...

We study the effects of school starting age on siblings' infant health. In Spain, children born in December start school a year earlier than those born the following January, despite being essentially the same age. We follow a regression discontinuity design to compare the health at birth of the...

The ideology of intensive mothering, whereby mother's time is thought of as crucial for child development, continues to be the dominant cultural framework in the United States. Yet there is little evidence about how mothers differ in their child care experiences from large representative...