53.If two goods are perfect substitutes,then
A) the marginal rate of substitution is constant.
B) the indifference curves are straight lines.
C) the indifference curves are "L-shaped."
D) both a) and b) are true.

Question

Quizplus · Accepted Answer

If two goods are perfect substitutes, the marginal rate of substitution is constant, and the indifference curves are straight lines, indicating a constant trade-off between the two goods.

53.If Two Goods Are Perfect Substitutes,then