We attempt to identify the population who are vulnerable to emotional shocks by exploiting an unprecedented series of celebrity suicides in South Korea during the last decade, including one of the most famous actresses, as well as a former president. Our conservative estimates show that for 5...

We examine college students' interaction within classrooms and estimate peer effects on their academic performance. We exploit a unique seating rule at a university in South Korea, known as the fixed-seat system. We propose a novel identification strategy based on students' repeated interaction....

Using Union Army veterans' lifetime socioeconomic and health records, this essay finds a consistent and persistent hierarchy in survival rates and hazard ratios by urban size at and across three stages of life: birth, late adolescence, and death. This urban mortality penalty remains after...

Korean Abstract: 응급의료시설은 해당 지역의 보건의료환경을 결정하는 중요한 요인이다. 최근 양질의 응급의료시설 확충을 위해 국가재정 투입의 사회적 수요가 증가하고 있으며, 효율적 재정투입을 위해 관련 정책에 대한...

To evaluate the importance of governance in controlling tuberculosis (TB), we explored the relationship between recipient countries' governance and TB control outcome. Using OECD statistics, World Development Indicators dataset, and Worldwide Governance Indicators database, we tested the role of...

The influenza pandemic of 1918 drastically affected colonial Korea infecting approximately 7.4 million people (44.3% of the total population) and killing approximately 140,000. This study examines the effect of fetal exposure to the pandemic on educational attainment, specifically, years of...

The influenza pandemic of 1918 drastically affected colonial Korea infecting approximately 7.4 million people (44.3% of the total population) and killing approximately 140,000. This study examines the effect of fetal exposure to the pandemic on educational attainment, specifically, years of...