Use the following information for questions 2-5.
A monopoly produces widgets at a marginal cost of $8 per unit and has fixed costs of $100. It faces an inverse demand function given by P = 38 – Q.
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| 2 |  |  What is the marginal revenue function of the firm? |
|  | A) | MR = 38 – Q. |
|  | B) | MR = 30 – 2Q. |
|  | C) | MR = 46 – Q. |
|  | D) | MR = 38 – 2Q. |
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| 3 |  |  The monopoly equilibrium output is |
|  | A) | 8. |
|  | B) | 23. |
|  | C) | 15. |
|  | D) | 30. |
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| 4 |  |  What are the profits of the monopoly in equilibrium? |
|  | A) | $225. |
|  | B) | $125. |
|  | C) | $345. |
|  | D) | $161. |
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| 5 |  |  Suppose fixed costs rise by $100. What happens in the market? |
|  | A) | The firm will decrease its output and lower its price. |
|  | B) | The firm will increase the price. |
|  | C) | The firm will shut down immediately. |
|  | D) | The firm continues to produce the same output and charge the same price. |
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| 6 |  |  Which of the following is a correct statement? |
|  | A) | The higher the marginal cost, the higher the profit-maximizing price. |
|  | B) | The more inelastic the demand, the higher is the profit-maximizing markup. |
|  | C) | The more elastic the demand, the lower is the profit-maximizing markup. |
|  | D) | All of the above. |
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| 7 |  |  Which of the following pricing strategies does not extract all the consumer surplus from the market? |
|  | A) | Second-degree price discrimination. |
|  | B) | Block pricing. |
|  | C) | Two-part pricing. |
|  | D) | Commodity bundling. |
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| 8 |  |  Students have an elasticity of demand for going to see a first-screen movie in the theater of -3. Assume the general public has an elasticity of -2, and movie theaters charge the general public $10 per ticket. The movie theater should charge students |
|  | A) | $7.50. |
|  | B) | $3.00. |
|  | C) | $5.50. |
|  | D) | $15.00. |
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| 9 |  |  Firms will often implement randomized pricing to make less information about their pricing strategy available to |
|  | A) | only rival firms. |
|  | B) | only consumers. |
|  | C) | both rival firms and consumers. |
|  | D) | randomized pricing does not affect information available to consumers or rival firms. |
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| 10 |  |  If a monopolist claims her profit-maximizing markup factor is 6, what is the corresponding price elasticity of demand? |
|  | A) | -1.5. |
|  | B) | -1.2. |
|  | C) | -0.85. |
|  | D) | -0.2. |
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| 11 |  |  The pricing strategy in which identical products are packaged together in order to force consumers into an all or none decision is referred to as |
|  | A) | two-part pricing. |
|  | B) | price discrimination. |
|  | C) | block pricing. |
|  | D) | commodity bundling. |
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| 12 |  |  Which of the following pricing strategies usually enhances the profits of firms with market power? |
|  | A) | Marginal cost pricing. |
|  | B) | Second-degree price discrimination. |
|  | C) | Commodity bundling. |
|  | D) | Both B and C. |
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| 13 |  |  If EF is the firm elasticity of demand and EM is the market elasticity of demand, the profit-maximizing markup factor for a firm in a Cournot oligopoly with N identical firms is |
|  | A) | NEF / (1+NEF). |
|  | B) | NEM / (1+NEM). |
|  | C) | (1+NEF) / NEF. |
|  | D) | (1+NEM) / NEM. |
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| 14 |  |  You are the manager of a souvenir store in New York city that sells, among other things, post cards. You buy the post cards from a supplier at $0.20 per card. If you believe the elasticity of demand for post cards by customers at your store is -3, then your profit-maximizing price is |
|  | A) | $0.30. |
|  | B) | $0.13. |
|  | C) | $0.60. |
|  | D) | $0.50. |
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| 15 |  |  Which of the following is a true statement about the process of cross-subsidization, given a firm is selling two products? |
|  | A) | The two products need to be interrelated through demand. |
|  | B) | The firm must sell both of its products at prices set above costs. |
|  | C) | The firm can not have cost complementarities in the production of the two goods. |
|  | D) | The firm must sell both of its products at prices set below costs. |
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