※一部利用できない機能があります
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- Welfare economics (3)
- Economic development (1)
- Economics (1)
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- Human services--Congresses (1)
- Public welfare--Congresses (1)
- Quality of life--Congresses (1)
- Social choice--Congresses (1)
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- Social values--Congresses (1)
- Utility theory (1)
- Values (1)