18) dvd players and dvds are:
a.complementary goods.
b.substitute goods.
c.independent goods.
d.inferior goods.
19) The aggregate supply curve (short-run) slopes upward and to the right because:
A.changes in wages and other resource prices completely offset changes in the price
level.
B.the price level is flexible upward but inflexible downward.
C.supply creates its own demand.
20) The “brain drain” problem in the DVCs refers to the fact that the best-educated
workers:
A.are concentrated in the public, rather than the private, sector.
B.are concentrated in the private, rather than the public, sector.
C.are concentrated in urban, rather than rural, areas.
D.have emigrated from the DVCs to the IACs.
21) Assume the Ajax Mining Company hires 80 percent of the nonunion labor force of
Mother Lode, New Mexico. Also, suppose that this labor force is highly immobile.
Economists would describe this employer as a:
A.monopolist.
B.oligopolist.