Macroeconomics deals with the concept of:
a. individual households.
b. market structures

The demand curve for a product shifts below. Which of the following statement(s) is (are) a plausible explanation(s) for this situation?

A) The price of a competing product decreased. B) A successful television advertising campaign was launched by the manufacturer of the product. C) Assuming the commodity in question is a normal good, income available to the customer increased. D) Both B and C

Refer to the data. If year 1 is the first year of this nation's existence and year 6 is the present year, this nation's public debt is:

A.  $275 billion.
B.  $100 billion.
C.  $3,540 billion.
D.  $230 billion.