Short-Term and Long-Term Educational Mobility of Families: A Two-Sex Approach

Abstract

We use a multigenerational perspective to investigate how families reproduce and pass their educational advantages to succeeding generations. Unlike traditional mobility studies that have typically focused on one-sex influences from fathers to sons, we rely on a two-sex approach that accounts for interactions between males and females—the process in which males and females mate and have children with those of similar educational statuses and jointly determine the educational status attainment of their offspring. Using data from the Panel Study of Income Dynamics, we approach this issue from both a short-term and a long-term perspective. For the short term, grandparents’ educational attainments have a direct association with grandchildren’s education as well as an indirect association that is mediated by parents’ education and demographic behaviors. For the long term, initial educational advantages of families may benefit as many as three subsequent generations, but such advantages are later offset by the lower fertility of highly educated persons. Yet, all families eventually achieve the same educational distribution of descendants because of intermarriages between families of high- and low-education origin.

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Notes

  1. 1.

    We use terms “family” and “family line” to refer broadly to social organization consisting of not only parents and offspring but also all descendants from a common ancestor.

  2. 2.

    We take a prospective approach in which we examine the transmission of educational status from the perspective of the grandparent generation. This approach is different from the more common retrospective approach that asks respondents about the characteristics of their parents and grandparents. For further discussions on the distinction between the two approaches and methods that reconcile the two approaches, see Song and Mare (2015).

  3. 3.

    Our model assumes independence of education and age. A refinement of the two-sex model may include age structure of the population, duration of marriages, polygamous mating rules, and differential demographic outcomes by age groups (Keyfitz 1972). A model with age structure incorporates the effects of marriage and fertility timing effects, fertility levels by age groups, and marriage squeezes caused by period fertility fluctuations and sex-ratio imbalance at older ages.

  4. 4.

    Family Identification Mapping System is a tool developed by the PSID to create intergenerational linked samples (http://simba.isr.umich.edu/FIMS/).

  5. 5.

    This linking method yields a larger sample from a prospective method that links PSID respondents from the first generation to the second and third generations because only a subset of the parents and grandparents of the third generation are themselves PSID respondents.

  6. 6.

    By focusing on families with four grandparents, we are excluding those with some grandparents omitted, which tend to be single-parent families. In other research, we examine the implications of single parenthood for the potential effect of grandparents on grandchildren (Song 2016). In that research, the results show that the net association between grandparent and grandchild educational attainment is weaker in single-parent families.

  7. 7.

    To check the robustness of our analyses on assortative mating, we also examined a sample restricted to the most recent marriage of individuals. Results are similar to those presented in this article.

  8. 8.

    Tabulations of the characteristics of our PSID samples by selected characteristics are available from the authors upon request.

  9. 9.

    We do not control for race in our analyses because we are unable to examine racial and educational assortative mating jointly, given the sample size.

  10. 10.

    Whereas Hertel and Groh-Samberg also used the PSID, they relied on patrilineal lineages. We provide a more complete two-sex model that includes all four grandparents, both parents, and sons and daughters.

  11. 11.

    In analyses not shown here, we also found heterogeneity in assortative mating within the same education groups of husbands and wives by their fathers’ and mothers’ education. In particular, educational matching is most likely to occur between males and females who themselves, as well as their parents, are in the same or adjacent education groups. Tables for these analyses are available from the authors on request.

  12. 12.

    Model specifications and test results are available from the authors on request.

  13. 13.

    This result is documented in tables for two-generation assortative mating not shown here but available from the authors on request.

  14. 14.

    The number of generations that it takes for the two-sex model to converge to its equilibrium depends on population size. When the population size is large, it takes longer for all families to be connected to each other through marriages.

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Acknowledgments

We are grateful to Cameron Campbell, Hal Caswell, Thomas DiPrete, Mark Handcock, Benjamin Jarvis, Sung Park, Judith Seltzer, Florencia Torche, Shripad Tuljapurkar, and the Demography reviewers and editors for their valuable suggestions. Earlier versions of this article were presented at the Biodemography Workshop at Stanford University, May 6–8, 2013; the spring meeting of ISA Research Committee on Social Stratification (RC28), Trento, Italy, May 16–18, 2013; and the annual meeting of the American Sociological Association, August 10–13, 2013, New York City. The authors received support from the National Science Foundation (SES-1260456) and benefited from facilities and resources provided by the California Center for Population Research at UCLA (CCPR), which receives core support (R24-HD041022) from the Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD).

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Song, X., Mare, R.D. Short-Term and Long-Term Educational Mobility of Families: A Two-Sex Approach. Demography 54, 145–173 (2017). https://doi.org/10.1007/s13524-016-0540-4

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Keywords

  • Educational mobility
  • Multigenerational
  • Two-sex model
  • Assortative mating