15) If economic theories are solidly based on relevant facts, then appropriate economic
policy becomes obvious and uncontroversial.
16) Which of the following is a land resource?
A.A farmer.
B.An oil drilling rig.
C.A machine for detecting earthquakes.
D.Natural gas.
17)
Refer to the diagrams. Assume that only wheat can be grown on the three grades of land
shown in Figures (a), (b), and (c). Also assume that identical amounts of labor, capital,
and other needed inputs are used in farming each grade of land. On the basis of these
three figures, we:
A.can say that the land in Figure (a) is most productive.
B.can say that the land in Figure (b) is most productive.
C.can say that the land in Figure (c) is most productive.
D.cannot compare the productivity of the three grades of land.
18) If Nations Quirk and Turk only produce aluminum or oil, the table below shows the
maximum output of each nation:
Which one of the following terms of trade is most likely to produce mutually-beneficial
exchange between the two nations?
A.0.5 unit of oil for 1 unit of aluminum
B.0.5 unit of oil for 2 units of aluminum
C.1 unit of oil for 0.4 unit of aluminum
D.1 unit of oil for 4 units of aluminum