Suppose that Hank consumes only Mountain Dew and pizza.If Hank's total utility from all amounts of both Mountain Dew and pizza double from what they were before,then Hank's demand for
A) both goods must double.
B) one of the goods must double.
C) both goods must decrease by one-half.
D) one of the goods must decrease by one-half.
E) neither good changes.

Question

Quizplus · Accepted Answer

Since the question only states that Hank's total utility has doubled, there is no information regarding whether his marginal utility for either good has changed. Therefore, there is no reason to believe that his demand for either good has necessarily changed, and so neither good needs to change.

Suppose That Hank Consumes Only Mountain Dew and Pizza