Most empirical investigations of the effects of cognitive skills assume that they are produced by schooling. Drawing on longitudinal data to estimate production functions for adult verbal and nonverbal cognitive skills, we find that: (1) School attainment has a significant and substantial effect...

Um Armut zu bekämpfen, muss die menschliche Entwicklung gestärkt werden. Allerdings werden heute 250 Millionen Kinder unter 5 Jahren in Ländern mit niedrigem und mittlerem Einkommen wahrscheinlich nicht ihr volles Entwicklungspotenzial erreichen. Um Hindernisse für eine optimale menschliche...

"Studies have shown that malnourished children in developing countries score lower on tests of cognitive function and fail to acquire fine motor skills at the normal rate. Do the effects of nourishment—good or bad—in early childhood linger into adolescence and adulthood, or do they fade away...

"Most investigations into the importance and determinants of adult cognitive skills assume that (1) they are produced primarily by schooling, and (2) schooling is statistically predetermined or exogenous. This study uses longitudinal data collected in Guatemala over 35 years to investigate...