At the level of the individual, there is a large literature, generally related to the work of Jacob Mincer, on how earnings are related to the schooling and other human capital. This work has motivated a large number of studies, but is also controversial. The chief controversies revolve around how to interpret the impact of schooling. Some students who have indicated a high potential for learning, by testing with a high intelligence quotient, may not achieve their full academic potential, due to financial difficulties.[citation needed]
పాఠశాల విద్య, ఆదాయాల గురించిన ఈ దృక్కోణం అనేక అధ్యయనాలకు దారితీసింది, కానీ అది ఇంకా ఏమి తెచ్చింది?
is also controversial