Sex selection and fertility in a dynamic model of conception and abortion

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12 Citations (Scopus)


This paper investigates the effect of prenatal sex selection on fertility through a stochastic dynamic model with uncertainty in conception as well as in gender, where a woman makes decisions on conception and abortion with or without gender detection tests (i.e. sex-selective or sex-unselective abortion). The paper shows that, when the cost of gender detection test falls, the sex ratio at birth rises due to more selective abortions, but fertility can rise or fall with rising sex ratio. Fertility may rise (fall) if there are more (less) women giving up unselective abortions for selective abortions than women giving up childbirths without test for selective abortions. Similarly the paper shows that the sex ratio can rise or fall, when fertility decreases as the cost of children increases. I test these propositions as well as their implications against micro survey data on the pregnancy history of Korean women.

Original languageEnglish
Pages (from-to)41-67
Number of pages27
JournalJournal of Population Economics
Issue number1
Publication statusPublished - 2005 Mar
Externally publishedYes


  • Fertility
  • Gender control
  • Selective and unselective abortion
  • Sex selection

ASJC Scopus subject areas

  • Demography
  • Economics and Econometrics


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