I12, I15, I25, J13
D83, I10, I12, I18, I31, J61
I21 Analysis of Education; I250 Education and Economic Development; C83 Survey Methods; Sampling Methods
I12 - Q53 - D83 - C93
Supply and Demand of Labor (J20), Human Capital (J24), Firm Employment Decisions (M51), Labor Discrimination (J71), Economic Development (O10)
C93, H41, I12, I30
J24, J61, O15, D31, D60
Education, Health, Welfare
I3, I10, I15, I12 , I31, O12
D90, I12, K19,