A ptomaine poisoning scare causes a decrease in the demand for canned tuna fish.Everything else equal, the demand curve for aluminum cans will
A)become steeper.
B)become flatter.
C)fall.
D)rise.

Question

Quizplus · Accepted Answer

A decrease in the demand for canned tuna fish would lead to a decrease in the demand for aluminum cans, as they are a complementary good used in packaging the tuna. This would shift the demand curve for aluminum cans to the left, indicating a fall in demand.

A Ptomaine Poisoning Scare Causes a Decrease in the Demand