-Which of the following changes could cause the demand curve to shift from D1 to D2?
A) A decrease in the price of a substitute good.
B) An increase in the price of a complementary good.
C) An increase in consumers' incomes.
D) A decrease in the size of the population.
E) An expectation that the price will be lower in the future.

Question

-Which of the following changes could cause the demand curve to shift from D1 to D2?
A) A decrease in the price of a substitute good. 
B) An increase in the price of a complementary good. 
C) An increase in consumers' incomes. 
D) A decrease in the size of the population. 
E) An expectation that the price will be lower in the future.

Quizplus · Accepted Answer

An increase in consumers' incomes can lead to an increase in demand for a normal good, causing the demand curve to shift to the right from D1 to D2.

-Which of the Following Changes Could Cause the Demand Curve