A stochastic frontier model is used to make a comparative estimate of the production of cognitive capacity and stature in the family, using data from the Mexican survey ENNVIH 2002. We find that child cognitive capacity is associated with the economic status of the family, public policy...

Using the ENNViH 2002 survey, a switching model shows that significant differences exist in the formation of infant cognitive ability across Mexican social strata. Public policy variables and local economic characteristics are sufficient to detect an important gradient in cognitive abilities and...