Columbia subject headings:
Competition.
Cooperation.
Economic development--Environmental aspects.
Economic development--Social aspects.
Materialism.
Values.
Harvard subject headings:
Competition.
Cooperation.
Economic development--Environmental aspects
Economic development--Social aspects
Materialism.
Values.
Princeton subject headings:
Competition.
Cooperation.
Economic development--Environmental aspects.
Economic development--Social aspects.
Materialism.
Values.