If a nation has a population of 100 million, a labor force of 60 million, and GDP of $200 billion, then GDP per capita must be

Refer to Figure 28-4. Consider the shift in the short-run Phillips curves shown in the above graph. This shift may be explained by

A) either an increase in the natural rate of unemployment from 5.0 to 6.2 percent or an increase in the expected rate of inflation from 4.0 to 5.5 percent. B) an increase in the expected rate of inflation from 4.0 to 5.5 percent. C) an increase in the natural rate of unemployment from 5.0 to 6.2 percent. D) None of the above is correct.

The towns of Jekyll and Hyde each have a labor force of 2,000 people. In Jekyll, 500 people were unemployed for the entire year, while the rest of the labor force was employed continuously. In Hyde, every member of the labor force was unemployed for three months and was employed for nine months. The average duration of unemployment spells over the year was ________ months in Jekyll and ________ months in Hyde.

A. 3; 9 B. 12; 3 C. 3; 3 D. 12; 9