According to an analysis of Korean student panel survey data, monthly differences in age had a significant influence on academic achievement until middle school (lower secondary education). However, this age effect did not persist when students graduated from high school (upper secondary...

The objective of this study was to examine the causal relations between having more children and women's labour force participation using Korean data. Given the strong preference for sons in Korea, variables regarding the number of daughters were used as instrument variables for having more...