Journal of Population Economics

, Volume 30, Issue 2, pp 591–620 | Cite as

Cognitive skills, non-cognitive skills, and family background: evidence from sibling correlations

Original Paper

Abstract

This paper estimates sibling correlations in cognitive and non-cognitive skills to evaluate the importance of family background for skill formation. Based on a large representative German dataset including IQ test scores and measures of non-cognitive skills, a restricted maximum likelihood model indicates a strong relationship between family background and skill formation. Sibling correlations in non-cognitive skills range from 0.22 to 0.46; therefore, at least one-fifth of the variance in these skills results from shared sibling-related factors. Sibling correlations in cognitive skills are higher than 0.50; therefore, more than half of the inequality in cognition can be explained by shared family background. Comparing these findings with those in the intergenerational skill transmission literature suggests that intergenerational correlations capture only part of the influence of family on children’s cognitive and non-cognitive skills, as confirmed by decomposition analyses and in line with previous findings on educational and income mobility.

Keywords

Sibling correlations Family background Non-cognitive skills Cognitive skills Intergenerational mobility 

JEL Classification

J24 J62 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2016

Authors and Affiliations

  1. 1.Research Department Education and Employment over the LifecourseIAB NurembergNurembergGermany
  2. 2.Faculty of Social Sciences, Economics, and Business AdministrationUniversity of BambergBambergGermany
  3. 3.Research FellowIZA BonnBonnGermany
  4. 4.Institute of Labour EconomicsLeibniz University HannoverHannoverGermany
  5. 5.SOEP DepartmentDIW BerlinBerlinGermany

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