Microeconomics, especially optimal decision-making of economic units such as firms and consumers with respect to prices, income, interest rates, etc.

Acquisition of new knowledge on developmental disabilities and related aspects of human development

Tort law in America: Negligence, especially the law of medical malpractice

International Economics; Economic development, especially industrialization

Contemporary Japanese politics, especially bureaucracy and urban politics

Constitutional/Administrative law: Freedom of information, especially right of access to government information

International economics, especially international money markets

Jewish-Americans as an ethnic group, especially historically, sociologically, and through literature

Law of torts, its history and future, especially from fault to no-fault liability

Law of torts, its history and future, especially from fault to no-fault liability