science or engineering are foreign born.
c.Low-skilled immigration lowers the earnings of native-born workers by 10-20
percent.
d.Illegal immigrants may pay less in taxes, but they also are ineligible for many
government benefits.
10) Economies of scale arise when
a.an economy is self-sufficient in production.
b.individuals in a society are self-sufficient.
c.fixed costs are large relative to variable costs.
d.workers are able to specialize in a particular task.
11) For a competitive firm,
a.total revenue equals average revenue.
b.total revenue equals marginal revenue.
c.total cost equals marginal revenue.
d.average revenue equals marginal revenue.
12) Which of the following statements is correct?
a.Equity is more important than efficiency as a goal of the tax system.
b.Efficiency is more important than equity as a goal of the tax system.
c.Both equity and efficiency are important goals of the tax system.
d.Neither equity nor efficiency is an important goal of the tax system.
13) When a country takes a unilateral approach to free trade, it
a.removes trade restrictions on its own.
b.reduces its trade restrictions while other countries do the same.
c.does not remove trade restrictions no matter what other countries do.
d.is willing to trade with multiple countries at once.