11) assume that a manufacturer of stereo speakers purchases $40 worth of components
for each speaker. the completed speaker sells for $70. the value added by the
manufacturer for each speaker is:
a.$110.
b.$30.
c.$40.
d.$70.
12) the supply of product x is perfectly inelastic if the price of x rises by:
a.5 percent and quantity supplied rises by 7 percent.
b.8 percent and quantity supplied rises by 8 percent.
c.10 percent and quantity supplied stays the same.
d.7 percent and quantity supplied rises by 5 percent.
13) Suppose that in a series of paired-choice votes a new park is preferred to new
recreation center and a new recreation center is preferred to street widening. Also
suppose that street widening is preferred to a new park. This set of votes is an example
of the:
A.principal-agent problem.
B.benefits-received principle.
C.median-voter model.
D.paradox of voting.
14) The rational expectations perspective suggests that:
A.fiscal policy is more powerful than monetary policy.
B.monetary policy is more powerful than fiscal policy.
C.fiscal and monetary policy are not likely to achieve their stated aims.
D.fiscal policy works only to the extent that it is accompanied by fully anticipated
changes in the money supply.