3rd International Workshop on Social Stratification and Mobility

Published

July 17, 2026

Social Stratification and Mobility workshop organized by the SSM2025 research group, The University of Tokyo.

Venue:

Day 1 Sanjo Conference Hall (Main conference room, 2nd floor)

Day 2 Akamon General Research Bldg. 5F meeting room ## Friday, July 17

12:45-12:55 Registration

12:55 -13:00 Welcome (Sho Fujihara)

Introduction of speakers (Fumiya Uchikoshi)

13:00-13:40 Plenary session 1 (Chair: Fumiya Uchikoshi)

Xi Song, “New Developments in Computational Social Science”

13:40-13:55 Discussion

Xi Song is Professor of Sociology at Columbia University. Her research focuses on social mobility, occupations and work, Asian Americans, population, and computational methods. She earned a BA in Sociology from Renmin University of China in 2008 and an MPhil from The Hong Kong University of Science and Technology in 2010. She then received both an MS in Statistics and a Ph.D. in Sociology from the University of California, Los Angeles (UCLA) in 2015. She is a member of the Sociological Research Association and received the William Julius Wilson Early Career Award from the American Sociological Association (ASA) in 2021.

13:55-14:05 Break

14:20-15:10 Regular session 1 (Chair: Shin Arita)

  1. Hao Liang, Cornell University
    The Hidden Micro-Scale of Segregation: Building Stratification and Ethnic Residential Sorting

  2. Satoshi Araki, University of Hong Kong
    Imagined Meritocracy and the Skills Trap in Japan: Reassessing the economic value of skills

15:10-15:40 Poster Session & Coffee break

  1. Rantaro Nasu, The University of Tokyo
    Does school-to-work transition via institutional channels mitigate social origin inequalities in precarious employment risk?

  2. Taichi Morisaka, Tohoku University
    Construals of Inequality and Preferences for Education Policy: A Correlational Class Analysis of Inequality Belief Systems

  3. Jiajie Zhang, The University of Tokyo
    How Couples’ Employment Trajectories Shape Wealth Composition in Japan

  4. Teruki Sanada, Mukogawa Women’s University
    The Class-Based Construction of Happiness: A Text-Mining Analysis of Evaluative Frameworks in Contemporary Japan

  5. Shingo Nitta, Yokohama National University
    An Emergence of Gray Divorce and Its Underlying Forces in Japan

  6. Yurie Momose, The Japan Institute for Labour Policy and Training（JILPT）
    The Dark Side of the Regular Track: Hidden Social Exclusion and Health Inequality among Regular Employees

  7. Yamaguchi Tetsuji, The University of Tokyo
    Occupational Aspirations in Adolescent Times and Status Attainment

15:40-16:10 Plenary session 2 (Chair: Kikuko Nagayoshi)

Youngjoo Cha, “How Do Parental Wage Gaps Relate to the Gender Wage Gap Across Children’s Age, Number, and Residence?”

16:10-16:25 Discussion

Youngjoo Cha is Professor of Sociology at Indiana University-Bloomington. Her current research investigates how the trend toward long work hours and the normative forces behind it reinforce gender inequality and what organizational practices and conditions that can mitigate these impacts. Her work also explores the relationship between parenthood and the gender wage gap, how cultural norms surrounding ideal workers and ideal parents shape the consequences of using flexible work practices, and the role of stereotypes for the labor market outcomes for individuals of Asian origin in the U.S.

16:25 Closing Remarks (Sho Fujihara)

17:30-19:30 Reception (Sanjo Conference Hall, Lounge, 1st floor)

Saturday, July 18

9:30-9:45 Registration

9:45-11:00 Regular session 2 (Chair: Naoki Sudo)

  1. Lai Wei, University of Hong Kong
    (Co-authors: Xi Song, Ziyao Tian)
    College Expansion and Intergenerational Mobility Revisited: A Prospective Approach

  2. Ryota Mugiyama, Gakushuin University

When Father-Child and Mother-Child Associations Diverge: Intergenerational Educational Mobility in 20th Century Japan

  1. Lyu Zeyu, Tohoku University

Aligning the Personality and Preferences of LLMs through Representation Engineering

11:00-11:10 Break

11:10-12:00 Regular session 3 (Chair: Mei Kagawa)

  1. Hiroki Takikawa, The University of Tokyo

Computationally Uncovering the Structure and Change of Moral Space: The Case of Japan, 1910–1999

  1. Guangyu Liang, Kyoto University

Media Use and Relative Deprivation in Japan and South Korea

12:00-13:00 Lunch

13:00-14:30 Causal Inference Lecture

Lai Wei “Some New Estimands for Social Stratification Studies”

14:30-15:00 Discussion

Lai Wei is an Assistant Professor of Sociology and HKU-100 Scholar at the University of Hong Kong. Prior to his post, he obtained his PhD in sociology from Princeton University. He studies social stratification and quantitative methodology. His past works have been published in Sociological Methods & Research, Journal of Royal Statistical Society: Series A, Journal of Health and Social Behaviour, among other outlets.

15:00 Wrap up