If the more-is-better principle holds,then indifference curves must
A) Be positively-sloped
B) Be negatively-sloped
C) Be thin
D) Be concave

Question

Quizplus · Accepted Answer

Indifference curves are negatively sloped because as you increase the quantity of one good, you must decrease the quantity of another good to remain at the same level of utility, assuming the more-is-better principle holds. This reflects a trade-off between the two goods.

If the More-Is-Better Principle Holds,then Indifference Curves Must