Columbia subject headings:
Consumers--Germany.
Consumption (Economics)--Germany.
Consumption (Economics)--Social aspects--Germany.
Economics--Germany--Sociological aspects.
Space in economics.
Harvard subject headings:
Consumers--Germany.
Consumption (Economics)--Germany.
Consumption (Economics)--Social aspects--Germany.
Economics--Germany--Sociological aspects.
Space in economics.
Princeton subject headings: