Economics exists because......?

Question

a. people (individually and as a society) must make choices about how to best use their relatively scarce resources.

b. of government inefficiency in using scarce reources.

Answer 1

a> it's both macro and micro

Answer 2

c. Because we base our system of trade on money.

Answer 3

A.  Economics is the study of how people or governments live with scarcity in resources.