Figure: The Profit-Maximizing Output and Price in the Diamon Price in the Diamond Market. Assume that there are no fixed ca output for a monopolist is: Price, cost, marginal revenue of diamond $1,000 Oo. O 16. 20, 800 600 400 200 0 -200 -400 MR 8 10 C MC 16 20 Quantity of diamonds

Q26 and Q 27

Natural Monopoly Regulation MC P2 АТС P1 D Q3 Q2 Q, Quantity Using the graph above, what price is charged if marginal-cost price regulation is imposed on the natural monopoly firm? O P3 Below P2 but above P3 O P1 D Below P3 but above P2 D P2 Price

Exhibit 9-4: A Monopoly Total Quantity Total Fixed Variable Price Demanded Cost Cost $100 $20 $0 ts 90 1 $20 20 80 $20 48 70 $20 78 ments 60 4 $20 110 50 $20 150 Refer to Exhibit 9-4. At an output level of 4 units, the monopolist earns a total profits of about Tutoring $112.00 shboard $118.00 $110.00 O $120.00 erts

An industry with only one producer has a demand curve of P = 90-Q, with price in dollars and quantity in thousands. The monopolist's marginal cost curve is MC = 30 + 2Q. What is the deadweight loss of monopoly in this industry? O $100,000 O $37,500 O $72,667 $50,000

s Assume that a monopolist is able to engage in perfect price discrimination and sell each unit of the product at a price equal to the maximum price the buyer of that unit of the product would be willing to pay. Complete the table below by computing total revenue and marginal revenue for the price discriminating monopolist. Quantity Price Total revenue Marginal revenue Total Cost Marginal cost 0 $34 $ 1 32 30 28 26 24 22 20 18 16 14 234SSN 5 6 7 89 10 $ $20 36 46 50 54 56 64 80 100 128 160 $ (a) What is the marginal revenue that the discriminating monopost obtains from the sale of each additional unit? (b) How many units would be produced and what would be the total revenue for the perfectly discriminating monopolist? What would economic profits be? (c) Compare the economic effects of price discrimination to no price discrimination for the pure monopolist in terms of profits and the level of output.

of aboul $92,00 Exhibit 9-4: A Monopoly Total Quantity Total Fixed Variable Price Demanded Cost Cost $100 $20 $0 90 1 $20 20 80 $20 48 70 $20 78 60 4 $20 110 50 $20 150 Refer to Exhibit 9-4. At an output level of 3 units, the monopolist earns a total profits of about O $80.00 $92.00 O $112.00 O$110.00 2. 3. 5.

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The figure below shows the cost and revenue curves faced by a monopolist. The profit-maximizing output and price for the monopolist are: Figure 9.1 $/Q $30 24 222 420 22 20 10 0 50 100 150 117 MC ATC MR 200 AVC O 117 units and $14, respectively. O 150 units and $22, respectively. O 150 units and $14, respectively. O 117 units and $22, respectively. O 117 units and $24, respectively. D Q