Bachelor in Economics, Seoul National University, Korea, 1988. Master of Arts in Economics, Seoul National University, Korea, 1990. Doctor of Philosophy in Economics, University Wisconsin-Madison, 1997.
Associate research fellow Korea Institute Industrial Economics and Trade, Seoul, 1997—1999. Assistant professor International University Japan, Uonuma, 1999—2002, associate professor, 2003—2004, Waseda University, 2005—2007, professor, since 2008. Resource person Asian Productivity Organization, Tokyo, since 2008.
2nd lieutenant third division Korean Army, 1990-1991, Kangwon-do.
Member of Japanese Economic Association, American Economic Association.
Married EunJoo Cho, May 30, 1992. 1 child ChangMin Joshua.