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Twins or two single children


  • Rainer Walke

    (Max-Planck-Institut für Demografische Forschung)


Based on Swedish register data, we compared the influence of a twin birth on the divorce risk with the influence of the sequential birth of two single children. The divorce risk for a woman with a very young child was lower than the risk for women without children or women with children older than 3.5 years. This behaviour was essentially independent of the number of children and whether or not the woman gave birth to twins. The effect of parity was much smaller than the effect of child age. The influence of twins on the divorce risk appeared to fall between that of a first and a second singleton.

Suggested Citation

  • Rainer Walke, 2002. "Twins or two single children," Demographic Research, Max Planck Institute for Demographic Research, Rostock, Germany, vol. 7(9), pages 379-390, August.
  • Handle: RePEc:dem:demres:v:7:y:2002:i:9

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    References listed on IDEAS

    1. Rosenzweig, Mark R & Wolpin, Kenneth I, 1980. "Testing the Quantity-Quality Fertility Model: The Use of Twins as a Natural Experiment," Econometrica, Econometric Society, vol. 48(1), pages 227-240, January.
    2. Bronars, Stephen G & Grogger, Jeff, 1994. "The Economic Consequences of Unwed Motherhood: Using Twin Births as a Natural Experiment," American Economic Review, American Economic Association, vol. 84(5), pages 1141-1156, December.
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    More about this item


    birth interval; data analysis; divorce; event history analysis; parity; Sweden;

    JEL classification:

    • J1 - Labor and Demographic Economics - - Demographic Economics
    • Z0 - Other Special Topics - - General


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