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ECON-1010-D1/D2-Introduction to Microeconomics

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The figure above shows demand and marginal revenue for a single price monopoly.

At any price above $ demand is elastic.

Assume production costs are constant and equal to $9.00 (i.e., AC = MC

= $9).

Output is  units per day at a price of $  per unit.

Profit is $  .

Consumer surplus is $  .

If this market was perfectly competitive

, output would exceed

the single-price monopoly output by 

 units.

If this is a perfectly price discriminating monopoly at a constant cost equal to $4.50

 - the lowest price charged per unit is $ .

 - the number of units sold is

 - total revenue is $ .

 - consumer surplus is $ .

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MATCHING DEFINITION

Making a product slightly

different from the product of a competing firm.

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MATCHING DEFINITION

The amount by which the

firm’s price exceeds its marginal cost.

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Use the figure to answer to answer the following 5 questions.

The figure above shows the demand and cost curves facing a price-setting firm.

The profit-maximizing (or loss-minimizing) level of output is .

In profit-maximizing (or loss-minimizing) equilibrium, the price-setting firm earns

$ in total revenue, which is than

the maximum possible total revenue of $ .

In short run the maximum profit the firm can earn is $ .

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The next four questions refer to the following table showing a monopolist’s demand schedule:

1) To maximize profit the firm should produce units of output and charge a price of $

.

2) At this level of output the firm earns a profit of $

.

3) At the profit maximizing level of output the last unit produced and sold adds $ to revenue and $

to cost.

4) One more unit of output beyond the profit-maximizing level would add $ to revenue and $ to cost, thereby profit by $ .
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The next two questions refer to the following table showing a monopolist’s demand schedule:

1) The 28th unit of output adds to Total Revenue

.

2) If the firm earns profits of $250 by producing 40 units of output, the firm has Total Costs of .

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Use the figure to answer to answer the following 8 questions.

The figure above shows demand and marginal revenue for a single price monopoly.

At any price above $ demand is elastic.

Assume production costs are constant and equal to $450.00 (i.e., AC = MC = $450).

 1)  Output is units per day at a price of $ per unit.

 2)  Profit is $ .

 3)  Consumer surplus is $ .

 4)  If this market was perfectly competitive, output would exceed the single-price monopoly output by units.

Assume this is a perfectly price discriminating monopoly at a constant cost equal to $225.00 (i.e., AC = MC = $225).

 5)  The lowest price charged per unit is $ .

 6)  Output is .

 7)  Profit is $ .

 8)  Consumer surplus is $ .

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A firm with market power faces the following estimated demand, marginal cost and total cost functions:

Qd = 95 000 – 200P + 0.7M – 6 000PR

MC = 40 + 0.09Q

TVC = 29Q

TFC = 160 000

where Qd is quantity demanded, P is price, M is income, and PR is the price of a related good.

The firm expects income to be $210 000 and PR to be $11.

The Marginal Revenue Function is     

MR =    –   Q

The profit-maximizing choice of output is units.

The profit-maximizing price is $ .

The firm's profit is $ .

Please answer all parts of the question.
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Suppose that a profit-maximizing monopolist has a plant of the optimal size and is producing a level of output at which price is $43, average total cost is $107, and average fixed cost is $68.

The firm should (select all that applies):

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A monopolist is producing a level of output at which price is $276, marginal revenue is $211, average total cost is $211, and marginal cost is $148. In order to maximize profit, the firm should

In order to maximize profit, the firm should output.
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