Sarinda consumes crab cakes and tuna. Sarinda's utility increases with the consumption of crab cakes, but her utility neither increases nor decreases with the consumption of tuna. Assuming tuna is on the x-axis and crab cake is on the y-axis, what do Sarinda's indifference curves look like?
A) horizontal lines
B) vertical lines
C) upward-sloping lines from the origin
D) downward-sloping lines

Question

Quizplus · Accepted Answer

Indifference curves show combinations of goods that give a consumer the same level of utility. Since Sarinda's utility neither increases nor decreases with the consumption of tuna, her indifference curves will be horizontal lines, indicating that she is indifferent between different amounts of tuna.

Sarinda Consumes Crab Cakes and Tuna