Josh has just eaten another cookie and his total utility increased. This means that Josh's marginal utility for this additional cookie is
A) positive.
B) negative.
C) zero.
D) not determinable without more information.

Question

Quizplus · Accepted Answer

The fact that Josh's total utility increased indicates that the additional cookie provided him with some satisfaction or benefit. Therefore, his marginal utility for the additional cookie must be positive.

Josh Has Just Eaten Another Cookie and His Total Utility