Since 2011, Korean students above the poverty line have been eligible for free school meals. The authors of this paper hypothesize that increased homogeneity of eligibility reduces peer conflicts and school violence. Data from 5,853 schools in Korea reveal that shifting from selective to...

Naturally-occurring yellow sand outbreaks, which are produced by winds flowing to Korea from China and Mongolia, create air pollution. Although there is seasonal pattern of this phenomenon, there exists substantial variation in its timing, strength and location from year to year. Thus, exposure...

Naturally-occurring yellow sand outbreaks, which are produced by winds flowing to Korea from China and Mongolia, create air pollution. Although there is seasonal pattern of this phenomenon, there exists substantial variation in its timing, strength and location from year to year. Thus, exposure...

This paper examines whether access to public transportation reduces the probability of food insecurity for households. The dataset combines information from the Current Population Survey Food Security Supplement (CPS-FSS) and the National Transit Database for the period of 2006 to 2009. I...