English, Article, Journal or magazine article edition: IQ and Family Background: Are Associations Strong or Weak? Björklund, Anders; Hederos Eriksson, Karin; Jäntti, Markus

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Bookmark: http://trove.nla.gov.au/version/211751
Physical Description
  • preprint
Language
  • English

Edition details

Title
  • IQ and Family Background: Are Associations Strong or Weak?
Author
  • Björklund, Anders
  • Hederos Eriksson, Karin
  • Jäntti, Markus
Physical Description
  • preprint
Notes
  • For the purpose of understanding the underlying mechanisms behind intergenerational associations in income and education, recent studies have explored the intergenerational transmission of abilities. We use a large representative sample of Swedish men to examine both intergenerational and sibling correlations in IQ. Since siblings share both parental factors and neighbourhood influences, the sibling correlation is a broader measure of the importance of family background than the intergenerational correlation. We use IQ data from the Swedish military enlistment tests. The correlation in IQ between fathers (born 1951-1956) and sons (born 1966-1980) is estimated to 0.347. The corresponding estimate for brothers (born 1951-1968) is 0.473, suggesting that family background explains approximately 50% of a person's IQ. Estimating sibling correlations in IQ we thus find that family background has a substantially larger impact on IQ than has been indicated by previous studies examining only intergenerational correlations in IQ.
  • ability, intergenerational mobility, family background
  • RePEc:iza:izadps:dp4305
Language
  • English
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