Black, Sandra E.; Devereux, Paul J.; Salvanes, Kjell G. - In: CESifo economic studies : CESifo, a joint initiative of … 57 (2011) 1, pp. 103-120
While recent research finds strong evidence that birth order affects children's outcomes such as education and earnings … on IQ, and our results suggest that earlier born children have higher IQs. Our preferred estimates suggest differences … determined. Also, there is no evidence that birth order effects occur because later-born children are more affected by family …
