Refer to the diagram in which T is tax revenues and G is government expenditures. All figures are in billions. This diagram portrays the idea of:

Refer to Figure 18.1. The opportunity cost of bicycles in the United States is

A) 1/3 of a hang glider. B) 1/2 of a hang glider. C) 3 hang gliders. D) 4 hang gliders.

Refer to the figure below, which shows four different Lorenz curves (I, II, III, and IV). The greatest increase in income inequality would occur with a shift in a Lorenz curve from:

A. II to III

B. II to IV

C. IV to III

D. IV to I