Peer-reviewed article
The Nurture of Nature and the Nature of Nurture: How Genes and Investments Interact in the Formation of Skills
Mikkel Aagaard Houmark, Victor Ronda, Michael Rosholm ·
Summary
Written by AI, not yet AICS's view · claude-haiku-4-5-20251001This paper examines how genes and family investments work together to shape children's skills during early childhood. The researchers developed a model to track how both genetic factors and parental investments evolve together over time. They found that genetic effects are not fixed but change and grow as children develop, and that genes influence skills both directly and indirectly through how parents invest in their children.
Key points
- Genetic effects on skill formation are dynamic and increase over time during early childhood
- Child genes affect skills through three pathways: direct effects, indirect effects via parental investment decisions, and family genetic influences from parents
- Genetic influences operate through environmental channels, showing that nature and nurture interact rather than act independently
Limitations
This is a theoretical and empirical modelling paper that does not evaluate a specific intervention or program for children. It provides evidence on mechanisms of skill formation but does not test whether any particular policy or practice improves child outcomes.
Abstract
This paper studies the interplay between genetics and family investments in the process of skill formation. We model and estimate the joint evolution of skills and parental investments throughout early childhood. We document three genetic mechanisms: the direct effect of child genes on skills, the indirect effect of child genes via parental investments, and family genetic influences captured by parental genes. We show that genetic effects are dynamic, increase over time, and operate via environmental channels. Our paper highlights the value of integrating biological and social perspectives into a single unified framework. (JEL I24, I26, J12, J13, J24)