Question
Consider the following variant of the Spatial Bertrand Model: There is aline of length 4along which 800 consumers are uniformly distributed. There are two firms
Consider the following variant of the Spatial Bertrand Model: There is aline of length 4along which 800 consumers are uniformly distributed. There are two firms in this market located at the two endpoints of the line,atx=0andx=4. Firm1ischargingpricep1forgood1andfirm2ischargingapricep2forgood2. Both firms have a constant marginal costc= 20. Define a consumer's locationxas her most preferred product. Each consumer is willing to pay$100 for their most preferred product. However, there is a disutility associated with purchasing a good that is not your most preferred. Specifically, for a consumer located atx, the disutility of purchasing good 1 is 10xand the disutility of purchasing good 2 is 10(4x)
a-Where is the marginal consumer located? Derive each firm's demand and profit as a function of pricesp1andp2
b-What price will both firms set in equilibrium? How much profit is each firm making in equilibrium?
c-Suppose that instead of both firms choosing their prices simultaneously, firm 1 chooses its pricep1first and then firm 2, after observing firm 1's price, chooses its own pricep2. What are the new Nash equilibrium prices of this game? How much profit is each firm making in equilibrium?
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