What term is defined as the change in the amount consumers will buy because the purchasing power of their money changes?

A market economy produces the optimal amount of each good at least cost where:

A) P > ATC. B) P = ATC. C) P > AVC. D) P = MR.

In a market system, the primary instruments used to coordinate economic activity are

a. plans. b. prices. c. input-output analyses. d. quantities.