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Youngmin Yi

Ph.D. Candidate



I am a PhD Candidate in Sociology in the Departments of Sociology and Policy Analysis & Management at Cornell University in Ithaca, NY. My research uses quantitative and demographic methods to examine the intersection of family life with the U.S. criminal justice, immigration, and child welfare systems. My work focuses on racial/ethnic and socioeconomic inequality in the wellbeing and social integration and instability of children, adolescents, and young adults.


Daniel Lichter (co-chair), Christopher Wildeman (co-chair), Erin York Cornwell, Matthew Hall


Institutions and Inequality in Childhood and the Transition to Adulthood: The Consequences of Criminal Justice and Child Welfare System Contact

My dissertation uses quantitative methods and a combination of survey-based and administrative data to examine the intersection of family life with the criminal justice and child welfare systems and its implications for racial/ethnic inequality in child and adolescent wellbeing. In the first chapter, I analyze the National Survey of Child and Adolescent Wellbeing II to determine whether foster care placement affects children’s likelihood of experiencing instability in social contexts, using a propensity-based strategy to account for selection into foster care placement. In the second chapter, I conduct a life table analysis of the 1997 National Longitudinal Survey of Youth to illustrate how the inclusion of institutionalization (i.e. incarceration, military service, higher education attendance) as a home-leaving pathway impacts estimates of the timing of first departures from the parental home in the transition to adulthood, and differentially so across social groups. Finally, in the third chapter, I use linked New York City administrative records and a quasi-experimental research design to estimate the casual effect of paternal incarceration on early life health outcomes.


Family demography; Policy; Inequality



  • Sociology