Korea University: https://www.korea.edu/

College of Political Science and Economics: https://hoan.korea.ac.kr/

Dept. of Economics: http://econ.korea.ac.kr

KDI (한국개발연구원): http://www.kdi.re.kr/

ECOS (한국은행 경제통계시스템): http://ecos.bok.or.kr/

Macrohistory Database: http://www.macrohistory.net/data/

Penn World Table 9.1: https://www.rug.nl/ggdc/productivity/pwt/

Barro-Lee Human Capital Database: http://www.barrolee.com/

International Financial Statistics (IFS): http://data.imf.org/

World Development Indicators (WDI): https://databank.worldbank.org/