As Sam moves rightward along his indifference curve, his marginal rate of substitution
A) remains constant.
B) is increasing.
C) is diminishing.
D) shows the change in his income.

Question

Quizplus · Accepted Answer

The marginal rate of substitution (MRS) diminishes as one moves rightward along an indifference curve because the consumer is willing to give up less of one good to get one more unit of another good, reflecting diminishing marginal utility.

As Sam Moves Rightward Along His Indifference Curve, His Marginal