I24; I25;
I24, I25, I26, I38, O3, O12
I21, I25, Q54
O33 Technological Change: Choices and Consequences • Diffusion Processes M53 Training K41 Litigation Process C45 Neural Networks and Related Topics
I25; F66; D91
G51 - Household Saving, Borrowing, Debt, and Wealth; I3 - Welfare, Well-Being and Poverty (General)
I25, Q54, Q56
I25, I28, J24, L26, O15
I21 - Analysis of Education
I12, I14, I15, I25