I21 - Analysis of Education
A22, I23, C93
Making; J13 - Fertility • Family Planning • Child Care • Children • Youth; I20 – Education and Research Institutions - General
C91 Laboratory, Individual Behavior; C92 Laboratory, Group Behavior;
Packages; Payment Methods, L2 - Firm Objectives, Organization, and Behavior, D23 - Organizational Behavior; Transaction Costs; Property Rights,
Health Behavior
D81, I22, I23
Health Behavior
I21, I23, C93, D90, D91
C93 I21 I23 D91