Why does an economist create a market demand curve?
(A) To show how various conditions can change the demand for a good.
(B) To learn what demands the market will make under unusual conditions.
(C) To have an idea of how a market would change if conditions in an area changed.
(D) To predict how people will change their buying habits when prices change.
Ans: (D) To predict how people will change their buying habits when prices change.
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