Uk Heo is Professor of Political Science at the University of Wisconsin, Milwaukee and international scholar at Kyung Hee University. He is a co-author of South Korea since 1980 (Cambridge, 2010, with Terence Roehrig), the author of The Political Economy of Defense Spending around the World, and the co-author of The US South Korean Alliance, 1961 1988: Free-Riding or Bargaining? His research interests are focused on Korean security and political economy, North Korean nuclear crisis, defense economics, and democratisation. His works have appeared in the Journal of Politics, the British Journal