the age of about five years in Australia, Canada, the United Kingdom and the United States. We study a series of child … Canada. Second, large differences in cognitive outcomes exist in all countries between children from disadvantaged … with SES across countries. While the smallest SES gaps are found in Australia and Canada for both types of outcome …

Societies socialize children about many things, including sex. Socialization is costly. It uses scarce resources, such … as time and effort. Parents weigh the marginal gains from socialization against its costs. Those at the lower end of the …