Answer: See explanation
Explanation:
We should note that a movement along the demand curve occurs when there's a change in the price of the product. On the other hand, a shift in the demand curve is due to other factors that affect demand except the price. Therefore, the questions given are answered below based on the explanation above.
a. change in the price of a related good.
There'll be a shift in the demand curve.
b. a change in tastes
There'll be a shift in the demand curve.
c. a change in the number of buyers
There'll be a shift in the demand curve.
d. a change in price
There'll be a movement along the demand curve.
e. a change in expectations
There'll be a shift in the demand curve
f. a change in income
There'll be a shift in the demand curve