use both a signaling model and a human capital model to explore how the relationship between ability and schooling could …

key challenge in estimating the relationship in (1) is that complete information particularly on ability but possibly …. However, the study has had significant attrition, and by the time of the fifth wave at age 33, information is only available … for 11,407 sample members. Extensive information on the life course of each individual is available, including …