Net exports are a ____ proportion of GDP and have recently been ____ for the United States

Typically, the major cost of a college education is

A) tuition. B) books. C) foregone income. D) housing.

The horizontal summation of all individual demands at different given prices results in the:

a. market supply curve. b. individual supply curve. c. individual demand curve. d. equilibrium demand and supply curves. e. market demand curve.