More able parents tend to have more able children. While few would question the validity of this statement, there is … estimated elasticity of intergenerational transmission of income of approximately .2. -- Ability ; intergenerational mobility …

While recent research finds strong evidence that birth order affects children's outcomes such as education, IQ scores …

social preferences. We find that second born children are typically less patient, less risk averse, and more trusting …. However, siblings' sex composition interacts importantly with birth order effects. Second born children are more risk taking …

While recent research finds strong evidence that birth order affects children's outcomes such as education and earnings … earlier born children have higher IQs. Our preferred estimates suggest differences between first-borns and second-borns of … birth order effects occur because later-born children are more affected by family breakdown. …

How do families influence the ability of children? Cognitive skills have been shown to be a strong predictor of … to a better understanding of children's long run outcomes. This paper uses a large dataset on the male population of … resulting from twin births have negative effects on the IQ of existing children. …