D02, D47, D81, D91, I24
I24, I26, O33, J11
I21, I24, J24, I26
C93 Field Experiments; I21 Analysis of Education; I22 Educational Finance; I25 Education and Economic Development
I21 I22 I24 I28 H52 J45, F22
C93, J24, J16, I24
C93, I21, I24, J24, O15
I2, I24, J18
of Welfare Programs) H75 (State and Local Government • Health • Education • Welfare • Public Pensions • Intergovernmental Relations)
I21, I24, I25, O15