I21 — Analysis of Education; I25 — Education and Economic Development; C93 — Field Experiments
J15, J61, C93, O15, J16, I31
I12, I15, O12, J13
I15 I25 J13 O15
I21, O15, C93
(Health and Inequality); H24 (Personal Income and Other Nonbusiness Taxes and Subsidies); I24
and Effects of Welfare Programs); I24 (Education and Inequality); J24 (Human Capital, Skills, Occupational
Choice, Labor Productivity); P46 (Consumer Economics, Health, Education and Training, Welfare, Income, Wealth, and Poverty)
J24, P16, J62, O15, D72
I11, I12, I18, D12, D83, C91, C93
I15, J13, J16, J81, O15
I12, I18, D81, K13