Question 1

The graph above represents a(n) :

Accepted Answer

A)   decreasing-cost industry: firms may be paying lower prices for their inputs when the industry expands.
B)   increasing-cost industry: firms may be paying higher prices for their inputs when the industry expands.
C)   competitive,break-even industry: the long-run supply curve is upward sloping as it must be according to the law of supply.
D)   constant-cost industry: prices of the inputs stay the same,and other production costs are constant as the industry expands.

Question 2

If the demand curve facing a firm is perfectly elastic,then:

Accepted Answer

A)   its marginal revenue will equal price.
B)   its marginal revenue schedule will decrease at an increasing rate.
C)   its marginal revenue schedule decreases twice as fast as the demand curve.
D)   it can increase its total revenue by lowering the price of its product.

Question 3

The table below shows cost data for a firm that is selling in a purely competitive market.  Refer to the above table.If the market price for the firm's product is $70,the competitive firm will:

Accepted Answer

A)   produce one unit.
B)   produce two units.
C)   produce three units.
D)   shut down.

Question 4

A purely competitive firm is in short-run equilibrium and its MC exceeds its ATC.It can be concluded that:

Accepted Answer

A)   firms will leave the industry in the long run.
B)   the firm is realizing an economic profit.
C)   the firm is realizing a loss.
D)   this is an increasing-cost industry.

Question 5

Which market model has the least number of firms?

Accepted Answer

A)   Monopolistic competition
B)   Pure competition
C)   Pure monopoly
D)   Oligopoly

Question 6

In general,in the short run,the supply curve of a purely competitive firm is:

Accepted Answer

A)   identical to the marginal-cost curve.
B)   a horizontal line equal to the market price.
C)   the rising portion of the average-total-cost (AT
C)  curve.
D)   the rising portion of the marginal-cost curve above the AVC curve.

Question 7

1 and S2 are short-run supply curves,D1 and D2 are short-run demand curves,and LRS is the long-run supply curve can be said to be: A)  a constant-cost industry. B)  an average-cost industry. C)  a decreasing-cost industry. D)  an increasing-cost industry." class="answers-bank-image d-inline" rel="preload" > The industry represented by the graph above where S1 and S2 are short-run supply curves,D1 and D2 are short-run demand curves,and LRS is the long-run supply curve can be said to be:

Accepted Answer

A)   a constant-cost industry.
B)   an average-cost industry.
C)   a decreasing-cost industry.
D)   an increasing-cost industry.

Question 8

The table below shows cost data for a firm that is selling in a purely competitive market.  Refer to the above cost chart.If the marginal revenue is $6,what output should the firm produce?

Accepted Answer

A)   10
B)   12
C)   14
D)   20

Question 9

Which is true for a purely competitive firm in short-run equilibrium?

Accepted Answer

A)   The firm is making only normal profits.
B)   The firm's marginal cost is greater than its marginal revenue.
C)   The firm's marginal revenue is equal to its marginal cost.
D)   A decrease in output would lead to a rise in profits.

Question 10

If there is allocative efficiency in a purely competitive market for a product,the minimum price producers are willing to accept is:

Accepted Answer

A)   less than marginal benefit.
B)   greater than marginal cost.
C)   equal to the amount of efficiency or deadweight losses.
D)   equal to the maximum price consumers are willing to pay.

Question 11

The difference between the maximum price a consumer is willing to pay for a product and the actual price the consumer pays is:

Accepted Answer

A)   allocative efficiency.
B)   productive efficiency.
C)   consumer surplus.
D)   producer surplus.

Question 12

A firm should increase the quantity of output as long as its:

Accepted Answer

A)   marginal revenue is greater than its marginal cost.
B)   marginal cost is greater than its marginal revenue.
C)   average revenue is greater than its average total cost.
D)   average revenue is greater than its average variable cost.

Question 13

In a typical graph for a purely competitive firm,the intersection of the total cost and total revenue curves would be:

Accepted Answer

A)   a point of maximum economic profit.
B)   a point of minimum economic loss.
C)   a point where MR = MC.
D)   a break-even point.

Question 14

When a purely competitive firm is in long-run equilibrium and is allocatively efficient:

Accepted Answer

A)   total revenue is at a maximum.
B)   marginal cost equals marginal revenue.
C)   average variable cost equals marginal cost.
D)   total cost is at a minimum.

Question 15

Refer to the above graph for a firm in pure competition.Line B is horizontal because:

Accepted Answer

A)   total revenue is greater than marginal revenue.
B)   marginal revenue is greater than total revenue.
C)   the firm has a perfectly inelastic demand curve.
D)   the firm has a perfectly elastic demand curve.

Question 16

Competitive firms are price takers largely because of intensive advertising by their competitors.

Accepted Answer

A) True 
 B)False

Question 17

Along the purely competitive firm's demand curve,average revenue is equal to marginal revenue.

Accepted Answer

A) True 
 B)False

Question 18

A firm sells a product in a purely competitive market.The marginal cost of the product at the current output is $5.00 and the market price is $5.00.What should the firm do?

Accepted Answer

A)   Shut down if the minimum possible average variable cost is $5.25.
B)   Shut down if the minimum possible average variable cost is $4.75.
C)   Increase output if the minimum possible average variable cost is $5.25.
D)   Decrease output if the minimum possible average variable cost is $4.75.

Question 19

3,the firm will: A)  produce Q4 units and break even. B)  produce Q4 units and make an economic profit. C)  produce Q5 units and break even. D)  shut down." class="answers-bank-image d-inline" rel="preload" > Refer to the above diagram.All data are for the short run.If product price is P3,the firm will:

Accepted Answer

A)   produce Q4 units and break even.
B)   produce Q4 units and make an economic profit.
C)   produce Q5 units and break even.
D)   shut down.

Question 20

A firm sells a product in a purely competitive market.The marginal cost of the product at the current output of 1000 units is $2.50.The minimum possible average variable cost is $2.00.The market price of the product is $2.50.To maximize profit or minimize losses,the firm should:

Accepted Answer

A)   continue producing 1000 units.
B)   produce less than 1000 units.
C)   produce more than 1000 units.
D)   shut down.

Exam 7: Pure Competition

In a typical graph for a purely competitive firm,the intersection of the total cost and total revenue curves would be:

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Along the purely competitive firm's demand curve,average revenue is equal to marginal revenue.

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Which is true for a purely competitive firm in short-run equilibrium?

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The table below shows cost data for a firm that is selling in a purely competitive market. Refer to the above table.If the market price for the firm's product is $70,the competitive firm will:

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In general,in the short run,the supply curve of a purely competitive firm is:

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A firm should increase the quantity of output as long as its:

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The industry represented by the graph above where S1 and S2 are short-run supply curves,D1 and D2 are short-run demand curves,and LRS is the long-run supply curve can be said to be:

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Refer to the above diagram.All data are for the short run.If product price is P3,the firm will:

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The table below shows cost data for a firm that is selling in a purely competitive market. Refer to the above cost chart.If the marginal revenue is $6,what output should the firm produce?

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A firm sells a product in a purely competitive market.The marginal cost of the product at the current output is $5.00 and the market price is $5.00.What should the firm do?

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If there is allocative efficiency in a purely competitive market for a product,the minimum price producers are willing to accept is:

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The graph above represents a(n) :

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When a purely competitive firm is in long-run equilibrium and is allocatively efficient:

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Which market model has the least number of firms?

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Refer to the above graph for a firm in pure competition.Line B is horizontal because:

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Competitive firms are price takers largely because of intensive advertising by their competitors.

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A purely competitive firm is in short-run equilibrium and its MC exceeds its ATC.It can be concluded that:

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If the demand curve facing a firm is perfectly elastic,then:

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The difference between the maximum price a consumer is willing to pay for a product and the actual price the consumer pays is:

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A firm sells a product in a purely competitive market.The marginal cost of the product at the current output of 1000 units is $2.50.The minimum possible average variable cost is $2.00.The market price of the product is $2.50.To maximize profit or minimize losses,the firm should:

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The industry represented by the graph above where S₁ and S₂ are short-run supply curves,D₁ and D₂ are short-run demand curves,and LRS is the long-run supply curve can be said to be:

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Refer to the above diagram.All data are for the short run.If product price is P₃,the firm will:

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