If two goods are perfect substitutes,then their
A)indifference curves are positively-sloped straight lines.
B)indifference curves are negatively-sloped straight lines.
C)indifference curves are L-shaped.
D)marginal rate of substitution is zero.
E)marginal rate of substitution is infinity.

Question

Quizplus · Accepted Answer

When two goods are perfect substitutes, their indifference curves are negatively-sloped straight lines, indicating a constant rate of substitution between the two goods.

If Two Goods Are Perfect Substitutes,then Their