5. Magazines are sold both through newsstands and subscriptions. Advertising accounts for up to
one-half of the revenues of magazines like Time and Sports Illustrated. How should a publisher
determine the price of subscriptions relative to newsstands?
6. Some personal computer software is sold at special discounts to students. Other software is
provided in a less powerful version for students. Why do publishers offer discounts to students?
What is the purpose of developing less powerful editions?
7. Using the kinked demand model, explain why a decrease in costs might not lead to a change in
8. At one time a major U.S. airline proposed that all airlines adopt a uniform fare schedule based on
mileage. The proposal would eliminate the many different fares that were available at that time.
Most major airlines applauded the suggestion and began to adopt the plan. Soon, however, various
airlines began cutting fares. Explain this using the prisoner’s dilemma.
The prisoner’s dilemma is that the firms do not want to lower fares but each ends up lowering
9. When one airline announced a substantial reduction in domestic airfares, within a day, other airlines
announced similar price cuts. What would you expect the outcome of this “price war” would be?
10. Stargazer Recordings sells compact discs in two markets. The marginal cost of each disc is $2.
Demand in each market is given by Q1 = 40 – 10P1 and Q2 = 40 – 2P2 where Q is thousands of
compact discs.
a. If the firm uses price discrimination how much output should it produce and what price should
it charge? What is its profit? What type of price discrimination is it using.
In each market the answer is found by setting MR = MC. The MR is obtained by using the