(Figure: Peanut Butter and Jelly) In the United States, peanut butter and jelly are considered complementary items. Which graph illustrates the impact of a rise in the price of peanut butter on the jelly market?

Question

(Figure: Peanut Butter and Jelly) In the United States, peanut butter and jelly are considered complementary items. Which graph illustrates the impact of a rise in the price of peanut butter on the jelly market?
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Quizplus · Accepted Answer

Graph A shows a leftward shift in the demand curve for jelly due to a rise in the price of peanut butter, resulting in a decrease in the equilibrium price and quantity of jelly. This is the expected impact when two complementary goods have a change in price for one of the goods. The other graphs do not show this relationship or do not have a clear shift in the demand curve for jelly.

(Figure: Peanut Butter and Jelly) in the United States, Peanut