Her research interests include financial markets, the role of trade associations and antitrust policy in Japan, and the role of the government in Japan's regulatory system. Her recent publications include Cooperative Capitalism: Self-Regulation, Trade Associations and the Antimonopoly Law in Japan (Oxford University Press, 2000) and Managed Globalization: Adapting to the 21st Century (co-edited with William Grimes, M.E. Sharpe 2002).