We can estimate that if a country grows at 7 percent per year, it will double its real GDP per capita in:

The U.S. unemployment rate has averaged around ______ since 1950.

A. 8% B. 10% C. 6% D. 3%

Currently, total government expenditures in the United States have totaled about:

a. one-tenth of GDP. b. one-fifth of GDP. c. 40 percent of GDP. d. one-half of GDP.