An industry in which one firm can achieve economies of scale over the entire range of market supply is a

In a small country, the adult population equals 10,000. In that country, 8,000 people are in the labor force and 200 people are unemployed. The unemployment rate equals

A) 2.5 percent. B) 2 percent. C) 4 percent. D) an undetermined amount given the lack of information.

When a firm produces more output using the same inputs or the same output using fewer inputs we say that the firm

A) experiences positive technological change. B) will hire more workers in order to produce more output. C) experiences an increase in demand. D) is operating in the short run.