consumerism vs economic theory

consumerism and economic theory both are nouns.

Word	Noun	Adjective	Verb	Adverb
consumerism	Yes	No	No	No
economic theory	Yes	No	No	No

As nouns, economic theory is a hypernym of consumerism; that is, economic theory is a word with a broader meaning than consumerism:

consumerism: the theory that an increasing consumption of goods is economically beneficial
economic theory: (economics) a theory of commercial activities (such as the production and consumption of goods)

consumerism (noun)	economic theory (noun)
a movement advocating greater protection of the interests of consumers	(economics) a theory of commercial activities (such as the production and consumption of goods)
the theory that an increasing consumption of goods is economically beneficial