I14, I18, I28, I24, I31, J13, I32, J13, J24, J32, O15
A22, C93, I20, I23, J08, J16
D90, I20
I24 I26
I10, I20, I31
I21, O33, C93
I24, J15
I23, I24
Making, H75 State and Local Government: Health; Education; Welfare; Public Pensions, I21 Analysis
of Education, I24 Education and Inequality, O12 Microeconomic Analyses of Economic Development
I21, I24, C91