order, health at birth and in childhood, and parental health investment. High-quality administrative data on children born … familylevel factors. In a sample of families with two to four children, we find statistically significant and quantitatively …-born siblings are healthier than the first-born child, and increase with birth order. Consequently, first-born children are more …

order, health at birth and in childhood, and parental health investment. High-quality administrative data on children born … familylevel factors. In a sample of families with two to four children, we find statistically significant and quantitatively …-born siblings are healthier than the first-born child, and increase with birth order. Consequently, first-born children are more …

-born child, and increase with birth order. Consequently, first-born children are more likely to consume medical drugs and to … utilize medical services. We also find differences in parental health investment. First-born children are more likely to …

of children from poorer families. -- birth weight ; twins ; education ; IQ ; earnings …