Characteristics shared by monopolistically competitive markets and perfectly competitive markets include:
a. differentiated products.
b. advertising

A change in a third variable not on either axis of a graph is illustrated with a:

a. horizontal or vertical line. b. movement along a curve. c. shift of a curve. d. point of intersection.

An expansion in a country's capital stock is associated with a(n) _____

a. increase in potential GDP b. decline in future consumption c. increase in human capital d. decline in the rate of investment e. increase in national debt