This study explores sex differences in language and socio-emotional skills. It focuses on children 7 months old to 6 years old in Chile in 2012 and Nicaragua in 2013. A focus on young children allowed for ruling out a set of environmental and identity effects to explain the gap. Females had an...

This study explores sex differences in language and socio-emotional skills on children 7 months to 6 years old in Latin-America. Females had a significant advantage in both dimensions. To our knowledge, this is the first study to document sex differences in these dimensions at a very young age....

The aging population problem caused by low intention to give birth has already appeared in China and will become more severe in the future. Even with the gradual implementation of the two-child policy, there is still no significant change in the intention to have more children. Using data from...