An individual's demand curve for a good can be derived by measuring the quantities selected as
A) the price of the good changes.
B) the price of substitute goods changes.
C) income changes.
D) All of the above.

Question

Quizplus · Accepted Answer

An individual's demand curve for a good is derived by observing how the quantity demanded changes as the price of that good changes, holding all other factors constant. Changes in the price of substitute goods or income affect the demand curve's position but do not help in its derivation.

An Individual's Demand Curve for a Good Can Be Derived