Kenneth L. Judd is the Paul H. Bauer Senior Fellow at the Hoover Institution. He is an expert in the economics of taxation, imperfect competition, and mathematical economics. His current research focuses on tax policy and antitrust issues, as well as developing computational methods for economic modeling. Young Ki Lee is a senior fellow at Korea Development Institute, serving as vice president from January 1996 to January 1998. He also served as senior counselor to the minister of finance of Korea from April 1987 to January 1989.