b. Each firm produces and sells a slightly differentiated product.
c. There is easy entry into the industry.
d. There is easy exit from the industry.
Consider the following combinations of guns and butter that can be produced: 0 guns,
20,000 units of butter; 5,000 guns, 15,000 units of butter; 10,000 guns, 10,000 units of
butter; 15,000 guns, 5,000 units of butter; 20,000 guns, 0 units of butter. The PPF
between guns and butter is
a. a downward-sloping bowed-out curve.
b. a downward-sloping straight line.
c. an upward-sloping straight line.
d. It is impossible to answer this question without knowing which good would be
plotted on the vertical axis.
A mandatory seatbelt law ends up raising the number of traffic fatalities if it lowers
fatalities per accident from 0.12 to 0.08 while raising the number of accidents per
period from 400,000 to any more than
a. 480,000.
b. 600,000.
c. 660,000.