Historical Data on Prices and Quantities Sold Do Not Provide

question 2

Multiple Choice

Historical data on prices and quantities sold do not provide the basis for drawing an accurate demand curve because

• A)reporters who gather these data are often wrong.
• B)factors other than price may change over time.
• C)they do not include measures of price close to the quantity axis.
• D)they sometimes tend to be clustered around one point.