Historical sociology and social change, Politics, economics, and society, Japanese social history in comparative perspective, Social theory, Urban sociology
Video Analysis, Ethnomethodology (EM), Conversation Analysis (CA), Science and Technology Studies (STS), Human-Computer Interaction (HCI), Computer-Supported Cooperative Work (CSC W), Online Research Methods, Digital Sociology
Organizational structure of political institutions and its influence on socio-economic development
Social stratification, income inequality and intergenerational mobility in China and US