CAO Ji
曹霁
SUPERVISOR / CO-SUPERVISOR
Supervisor: Prof. ZHU Ling
Co-supervisor: Prof. TAM Tony Hong Wing
Research Interests
- Gender and Work
- Labor Market Inequality and Mobility
- Quantitative Methods
- Educational Inequality
Area / Thesis topics
I examine the dynamics of gender wage gaps through three independent studies, investigating cases in the United States and post-socialist China. I use various methodological approaches—combining econometrics, decomposition techniques, machine learning, and agent-based modeling.
Publications
| Book Chapters |
| Cao, Ji, Yutong Hu, and Tony Tam. 2023. “Comparative Inequality and Educational Policy.” Pp. 17-34 in The Sage Handbook of Sociology of Education, edited by M. Berends, B. Schneider, and S. Lamb. Thousand Oaks, CA: Sage Publications. |
| Paper Under Review |
| Zhu, Ling, Hai Liang, Ji Cao, Yujie Li, Xiaoqian Yue, Ruihui Tian, and Donghang Qi. “Comparing Modularity Scores across Different Social Networks: Cautions, Illustrations, and Suggestions.” Revised and re-submitted. Sociological Methods and Research. (SSCI, Q1 in Sociology) |
| Cao, Ji and Ling Zhu (equal-authorship). “Decomposing the Effects of Occupation-related Forces: Explaining the Gender Wage Gap Trend in the United States.” Under Review. Sociological Methods and Research. (SSCI, Q1 in Sociology) |
| Cao, Ji, Amber Xuqian Chen, and Chunyan Mai (equal-authorship). “Age Bias in The Most Influential Newspapers in China Across 72 Years.” Under Review. Humanities & Social Sciences Communications. (SSCI, Q1 in Social Sciences, Interdisciplinary) |
Conferences (Selected)
- 5th International Sociological Association Forum of Sociology (July 2025, Rabat, Morocco) “Marketization Intertwined with Cultural Transition: Explaining the Widening Gender Wage Gap in Post-Socialist Urban China”
- Annual Meeting of American Sociological Association (August 2023, Philadelphia, USA) “Decomposing the Effects of Occupation-related Forces: Explaining the Gender Wage Gap Trend in the United States”
- 10th World Congress of International Sociological Association (June 2023, Melbourne, Australia) “Evaluating Occupation-related Forces in the Dynamics of the Gender Wage Gap in the US”
Teaching experience
I served as a teaching assistant (grading and/or leading tutorials) for courses:
Advanced methodology (graduate level), social networks and social capital, social problems and social policy, approaching sociology, experimental economics, international economics and international finance