Gary-Bobo, Robert J.; Picard, Natalie; Prieto, Ana - C.E.P.R. Discussion Papers - 2006
, and uses these variables as instruments to estimate returns to education, with the help of a rich set of individual data …. Our sample includes more than 12,000 men and 10,000 women, who all left school in 1992, in France. The wages and … educational achievements of individuals, as well as many aspects of family background, including birth order, number of sisters …