Question

a decrease in quantity demanded is given by a(n):
a. upward shift of the demand curve.
b. downward shift of the demand curve.
c. downward movement to the right along the demand curve.
d. upward movement to the left along the demand curve.

Explanation:

A decrease in quantity demanded is caused only by an increase in the good's own price, which leads to a movement along the existing demand curve. This movement is upward and to the left, as higher prices correspond to lower quantities demanded on the demand schedule. Shifts of the entire demand curve represent changes in demand, not quantity demanded.

Answer:

d. upward movement to the left along the demand curve.