(Figure: Demand Shift I) Which of the following events could have caused the demand curve to shift? I. The price of a substitute good decreased.
II) The price of a complement good increased.
III) The income of consumers increased.
IV) The number of buyers in the market increased.
A) I, II, III, and IV
B) III and IV
C) II, III, and IV
D) I and II

Question

(Figure: Demand Shift I) Which of the following events could have caused the demand curve to shift?  I. The price of a substitute good decreased.
II) The price of a complement good increased.
III) The income of consumers increased.
IV) The number of buyers in the market increased.
A) I, II, III, and IV 
B) III and IV 
C) II, III, and IV 
D) I and II

Quizplus · Accepted Answer

The Answer of (Figure: Demand Shift I) Which of the following events could have caused the demand curve to shift?  I. The price of a substitute good decreased.
II) The price of a complement good increased.
III) The income of consumers increased.
IV) The number of buyers in the market increased.
A) I, II, III, and IV 
B) III and IV 
C) II, III, and IV 
D) I and II

(Figure: Demand Shift I) Which of the Following Events Could