Gary-Bobo, Robert J.; Picard, Natalie; Prieto, Ana - C.E.P.R. Discussion Papers - 2006
educational achievements of individuals, as well as many aspects of family background, including birth order, number of sisters … higher number of siblings has a negative effect in general, holding birth order constant, except when parents belong to the … highest occupational groups; in other words, it is good to have many brothers and sisters if one's parents are well-to-do (the …