Hans van Kippersluis

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Dynamic complementarity in skill production: Evidence from genetic endowments and birth order

This study looks at how nature and nurture interact in influencing individuals academic attainment, and finds support for the theory that early life parental inputs increase later gains – especially in those children who have genetic advantages. The researchers used data on a sample of 15,000 siblings, whose genetic and demographic information is stored in … Read more

The Interplay between Maternal Smoking and Genes in Offspring Birth Weight

This paper looks at the relationships between genes, smoking, and birth weight. It finds that each additional daily cigarette smoked during pregnancy reduces birthweight by between 20 and 40 grams, regardless of the childs’s genetic predisposition. The researchers used information from a sample of 5000 mother-baby pairs in the Avon Longitudinal Study of Parents and … Read more