The table above gives the utility from pens and pencils. If pens and pencils both cost $.25 each and the consumer has an income of $2.25, which of the following combinations maximizes the consumer's utility?

The price of a slice of pizza has increased by $1 from an earlier, lower price. Which statement is most likely true about Ashley?

(A) Ashley will buy two fewer slices of pizza. (B) Ashley will not buy any pizza. (C) Ashley will buy four slices of pizza. (D) Ashley's quantity demanded is unchanged.

Which of these factors can explain the short recession experienced by the U.S. in 2001?

a. Terrorist attacks b. The stock market crash c. Bursting of the real estate bubble d. A rise in international oil prices e. Expenditure on war