plutonomy

As a noun plutonomy

is an economy that is significantly influenced by the very wealthy.

As an adjective undefined is

lacking a definition or value.

As nouns the difference between plutonomy and precariat

is that plutonomy is an economy that is significantly influenced by the very wealthy while precariat is people suffering from precarity, especially as a social class; people living a precarious existence, without security or predictability, especially job security.

As nouns the difference between taxonomy and plutonomy

is that taxonomy is the science or the technique used to make a classification while plutonomy is an economy that is significantly influenced by the very wealthy.