Regretting a last unit of consumption of cake implies that
A) the total utility from eating cake was negative.
B) cake is an inferior good.
C) the marginal utility of the last unit of cake consumed was negative.
D) the demand curve for cake is horizontal.

Question

Quizplus · Accepted Answer

Regretting a last unit of consumption of cake implies that the additional satisfaction or utility from consuming the last piece of cake was negative or less than the satisfaction derived from the previous units consumed, indicating a negative marginal utility. Therefore, the correct answer is C.

Regretting a Last Unit of Consumption of Cake Implies That