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Question(s) / Instruction(s):

1. Suppose the data in the table below represents the price of a base model hybrid automobile and the quantity of that model sold for 3 years.
a. Draw and label the demand curves.

b. Does this data indicate that the demand curve for this hybrid automobile is upward sloping? Why or why not?

2. The market for autographs by a superstar baseball player during the 1950s and 1960s indicates that while the player’s autograph is not rare it remains highly desirable and of relatively high price to collectors. In fact, a baseball signed by this superstar player is likely to sell for twice the price of baseballs signed by a teammate whose autograph is relatively rare.
a. Use one graph to show both the demand and supply for autographs by the superstar and the demand and supply for autographs by the teammate and label the equilibrium point for both supply/demand curves.

b. How it is possible for the price of the superstar’s autographs to be higher than the price of the teammate’s autographs even though the supply of superstar autographs is larger than the supply of teammate autographs? How does the graph display this information?

3. Assume that the demand for ethanol, a corn-based alternative fuel, decreases. As a result, ethanol producers petition the Environmental Protection Agency (EPA) to raise the allowable amount of ethanol in gasoline blends from 10 percent to 15 percent.
a. Draw and accurately label the graph that reflects market for corn.

b. Draw and accurately label the graph that reflects market for tortillas.

c. If the EPA were to agree to the proposal to increase the amount of ethanol in blends from 10 percent to 15 percent, what would be the effect on the price of tortillas, also a corn-based product?

4. Assume that the demand for Internet advertising is declining at the same time that the number of Internet sites accepting advertising is increasing. From this information, a student argues that that the price of Internet ads should fall, but it is not known whether the total quantity of Internet ads will increase or decrease.
a. Assume the equilibrium price of Internet advertisements is initially P1 and the equilibrium quantity is Q1, draw, and properly label a graph that reflects this situation.

b. Draw and properly label a new supply curve for Internet advertisements (S2) and a new demand curve for advertisements (D2).

c. Explain your graphs as they relate to the student’s analysis. Is the student correct? Why or why not?

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