At an all-you-can eat buffet, a person will stop eating when
A) total utility increases at a diminishing rate.
B) marginal utility increases at a diminishing rate.
C) marginal utility is equal to zero.
D) total utility is equal to zero.

Question

Quizplus · Accepted Answer

A person will stop eating when the marginal utility, which is the satisfaction gained from consuming one additional unit of a good, is equal to zero. This means that consuming more of the food does not increase their overall satisfaction.

At an All-You-Can Eat Buffet, a Person Will Stop Eating