17) In a purely competitive industry:
A.there will be no economic profits in either the short run or the long run.
B.economic profits may persist in the long run if consumer demand is strong and stable.
C.there may be economic profits in the short run but not in the long run.
D.there may be economic profits in the long run but not in the short run.
18) The major purpose of Medicare is to:
A.provide health care services to people on Social Security.
B.provide health care services to those receiving public assistance.
C.contain rising health care costs.
D.make a basic health care package available to all Americans.
19) Fixed costs for a firm are analogous to:
A.the dirt that fills up the financial hole.
B.digging a deeper financial hole by producing when prices are too low.
C.the cost of the shovel needed to fill the financial hole.
D.starting out in a hole that represents economic losses if the firm produces nothing.
20)
Refer to the competitive market diagram for product Z. Assume that the current market
demand and supply curves for Z are D2 and S2. If there are substantial external benefits
associated with the production of Z, then:
A.efficient resource allocation occurs at output G and price B because the market
mechanism does not measure all benefits.
B.an output smaller than G would improve resource allocation.
C.government should levy a per-unit excise tax on Z to shift the demand curve toward
D1.
D.an output greater than G would result in a more efficient allocation of resources.