1) negative externalities arise:
a.when firms pay more than the opportunity cost of resources.
b.when the demand curve for a product is located too far to the left.
c.when firms “use” resources without being compelled to pay for their full costs.
d.only in capitalistic societies.
2) A private closed economy includes:
A.households, businesses, and government, but not international trade.
B.households, businesses, and international trade, but not government.
C.households and businesses, but not government or international trade.
D.households only.
3) the marginal cost-marginal benefit approach to migration suggests that:
a.the optimal amount of immigration to the united states is probably zero.
b.everyone who wishes to come to the united states should be allowed to do so.
c.a particular level of immigration may be too low or too high.
d.efforts to reduce the inflow of illegal immigrants should be abandoned.
4) consumers spend their incomes to get the maximum benefit or satisfaction from the
goods and services they purchase. this is a reflection of:
a.resource scarcity and the necessity of choice.
b.purposeful behavior.
c.marginal costs that exceed marginal benefits.
d.the tradeoff problem that exists between competing goals.
5) Empirical studies suggest that, other things equal, the smaller the number of hospitals
in a city, the lower are nurses’ wages. This is evidence that:
A.the labor markets of nurses are purely competitive.
B.hospitals may possess some degree of monopsony power.
C.the minimum wage does not apply to nurses.
D.labor unions have been ineffective in increasing the wages of nurses.