"Social security subsidies in Korea were introduced in 2012 to reduce the coverage gap in social security. Despite the large fiscal cost, however, the subsidies have only a small effect on the social security coverage: For every 1,000 workers and their employers who are subsidized under the...

Research has shown that birthweight has a lasting impact on later-life outcomes such as educational attainment and earnings. This paper examines the role of health at birth in determining academic achievement in childhood, which may provide the link between birthweight and adult outcomes. Using...

Using a sample of sibling pairs from a nationally representative U.S. survey, we examine the effects of the fetal growth rate on a set of neurobehavioral outcomes in childhood measured by parent-reported diagnosed developmental disabilities and behavior problems. Based on models that include...

This study measures the extent to which Seoul's COVID-19 shopping coupon program affects individuals' consumption. Unlike other COVID-19-related transfer programs, the Seoul Metropolitan government provides consumption coupons depending on income. We quantify the causal effect of Seoul's program...

"Setting an explicit fiscal target in the pension system and implementing stronger fund governance are needed to address the concerns regarding the projected rise and fall of the National Pension Fund in Korea. Strengthening expertise and accountability of the fiduciaries is essential for a...