The times during which real GDP increases are referred to as

The spread between interest rates on low quality corporate bonds and U.S. government bonds

A) widened significantly during the Great Depression. B) narrowed significantly during the Great Depression. C) narrowed moderately during the Great Depression. D) did not change during the Great Depression.

Which of the following will bring about an inward shift of a production possibilities curve [PPC]?

a. A decrease in the amount of resource employment b. An increase in the working-age population c. An increase in unemployment d. A decrease in the availability of natural resources e. An increase in the amount of capital available