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ECON Midterm and Final Exam Study Guide


Assume that the graphs show a competitive market for the product stated in the question.









Select the graph above that best shows the change in the market for gasoline, when the price of oil, which is used to produce gasoline, increases because of reduced production by major oil-producing nations.



Graph A

Graph B

Graph C

D. Graph D


AACSB: Knowledge Application

Blooms: Understand Difficulty: 02 Medium

Learning Objective: 03-05 Explain how changes in supply and demand affect equilibrium prices and quantities.

Test Bank: II Topic: Changes in Supply, Demand, and Equilibrium

405.


Assume that the graphs show a competitive market for the product stated in the question.









Select the graph that best shows the change in the market for Florida oranges, when a major frost damages the orange crop in California.



Graph A

Graph B

Graph C

D. Graph D


AACSB: Knowledge Application

Blooms: Understand Difficulty: 02 Medium

Learning Objective: 03-05 Explain how changes in supply and demand affect equilibrium prices and quantities.

Test Bank: II Topic: Changes in Supply, Demand, and Equilibrium

406.


Assume that the graphs show a competitive market for the product stated in the question.










AACSB: Knowledge Application Accessibility: Keyboard Navigation

Blooms: Understand Difficulty: 02 Medium

Learning Objective: 14-03 Explain the three main models of oligopoly pricing and output: kinked-demand theory, collusive pricing, and price leadership.


AACSB: Knowledge Application Accessibility: Keyboard Navigation

Blooms: Understand Difficulty: 02 Medium

Learning Objective: 14-01 Describe the characteristics of oligopoly.


AACSB: Knowledge Application Accessibility: Keyboard Navigation

Blooms: Apply Difficulty: 03 Hard


AACSB: Knowledge Application Accessibility: Keyboard Navigation

Blooms: Understand Difficulty: 02 Medium

Learning Objective: 10-05 Explain how purely competitive firms can use the marginal-revenue–marginal-cost approach to maximize profits or minimize losses in the short run.

Test Bank: I Topic: Profit Maximization in the Short Run: Marginal-Revenue–Marginal-Cost Approach

A purely competitive firm should produce in the short run if its total revenue is sufficient to cover its


A. total variable costs.

total costs.

total fixed costs.

marginal costs.


AACSB: Knowledge Application Accessibility: Keyboard Navigation

Blooms: Understand Difficulty: 02 Medium

Learning Objective: 10-05 Explain how purely competitive firms can use the marginal-revenue–marginal-cost approach to maximize profits or minimize losses in the short run.

Test Bank: I Topic: Profit Maximization in the Short Run: Marginal-Revenue–Marginal-Cost Approach


54.








The data in the accompanying table indicates that this firm is selling its output in a(n)




monopolistically competitive market.

monopolistic market.

C. purely competitive market.

D. oligopolistic market.


AACSB: Knowledge Application

Blooms: Understand Difficulty: 02 Medium

Learning Objective: 10-05 Explain how purely competitive firms can use the marginal-revenue–marginal-cost approach to maximize profits or minimize losses in the short run.

Test Bank: I Topic: Profit Maximization in the Short Run: Marginal-Revenue–Marginal-Cost Approach

Type: Table


55.








Refer to the data in the accompanying table. If the firm's minimum average variable cost is $10, the firm's profit-maximizing level of output would be




A. 2.

B. 3.

4.

5.


AACSB: Knowledge Application

Blooms: Understand Difficulty: 02 Medium

Learning Objective: 10-05 Explain how purely competitive firms can use the marginal-revenue–marginal-cost approach to maximize profits or minimize losses in the short run.

Test Bank: I Topic: Profit Maximization in the Short Run: Marginal-Revenue–Marginal-Cost Approach

Type: Table

56.








Refer to the data in the accompanying table. At the profit-maximizing output, the firm's total revenue is



A. $48.

B. $32.

C. $80.

D. $64.


AACSB: Knowledge Application

Blooms: Understand Difficulty: 02 Medium

Learning Objective: 10-05 Explain how purely competitive firms can use the marginal-revenue–marginal-cost approach to maximize profits or minimize losses in the short run.

Test Bank: I Topic: Profit Maximization in the Short Run: Marginal-Revenue–Marginal-Cost Approach

Type: Table


57.








Refer to the data in the accompanying table. Assuming total fixed costs equal to zero, the firm's




A. economic profit is $12.

B. economic profit is $16.

loss is $14.

economic profit is $3.


AACSB: Knowledge Application

Blooms: Understand Difficulty: 02 Medium

Learning Objective: 10-05 Explain how purely competitive firms can use the marginal-revenue–marginal-cost approach to maximize profits or minimize losses in the short run.

Test Bank: I Topic: Profit Maximization in the Short Run: Marginal-Revenue–Marginal-Cost Approach

Type: Table


In the short run, a purely competitive firm will always make an economic profit if


P = ATC.

P > AVC.

P = MC.

D. P > ATC.


AACSB: Knowledge Application Accessibility: Keyboard Navigation

Blooms: Understand Difficulty: 02 Medium

Learning Objective: 10-05 Explain how purely competitive firms can use the marginal-revenue–marginal-cost approach to maximize profits or minimize losses in the short run.

Test Bank: I Topic: Profit Maximization in the Short Run: Marginal-Revenue–Marginal-Cost Approach

Suppose that at 500 units of output, marginal revenue is equal to marginal cost. The firm is selling its output at $5 per unit, and average total cost at 500 units of output is $6. On the basis of this information, we


can say that the firm should close down in the short run.

can say that the firm can produce and realize an economic profit in the short run.

C. cannot determine whether the firm should produce or shut down in the short run.

D. can assume the firm is not using the most efficient technology.


AACSB: Knowledge Application Accessibility: Keyboard Navigation

Blooms: Understand Difficulty: 02 Medium

Learning Objective: 10-05 Explain how purely competitive firms can use the marginal-revenue–marginal-cost approach to maximize profits or minimize losses in the short run.

Test Bank: I Topic: Profit Maximization in the Short Run: Marginal-Revenue–Marginal-Cost Approach


If a firm is confronted with economic losses in the short run, it will decide whether or not to produce by comparing


A. marginal revenue and marginal cost.

B. price and average variable cost.

total revenue and total cost.

total revenue and total fixed cost.


AACSB: Knowledge Application Accessibility: Keyboard Navigation

Blooms: Understand Difficulty: 02 Medium

Learning Objective: 10-05 Explain how purely competitive firms can use the marginal-revenue–marginal-cost approach to maximize profits or minimize losses in the short run.

Test Bank: I Topic: Profit Maximization in the Short Run: Marginal-Revenue–Marginal-Cost Approach


A firm finds that at its MR = MC output, its TC = $1,000, TVC = $800, TFC = $200, and total revenue is $900. This firm should


A. shut down in the short run.

B. produce because the resulting loss is less than its TFC.

produce because it will realize an economic profit.

liquidate its assets and go out of business.


AACSB: Knowledge Application Accessibility: Keyboard Navigation

Blooms: Understand Difficulty: 02 Medium

Learning Objective: 10-05 Explain how purely competitive firms can use the marginal-revenue–marginal-cost approach to maximize profits or minimize losses in the short run.

Test Bank: I Topic: Profit Maximization in the Short Run: Marginal-Revenue–Marginal-Cost Approach


The lowest point on a purely competitive firm's short-run supply curve corresponds to


A. the minimum point on its ATC curve.

B. the minimum point on its AVC curve.

the minimum point on its AFC curve.

the minimum point on its MC curve.


AACSB: Knowledge Application Accessibility: Keyboard Navigation

Blooms: Understand Difficulty: 02 Medium

Learning Objective: 10-06 Explain why a competitive firms marginal cost curve is the same as its supply curve.

Test Bank: I Topic: Marginal Cost and Short-Run Supply

63.



Refer to the diagram for a purely competitive producer. The lowest price at which the firm should produce (as opposed to shutting down) is


A. P1.

B. P2.

P3.

P4.


AACSB: Knowledge Application

Blooms: Understand Difficulty: 02 Medium

Learning Objective: 10-06 Explain why a competitive firms marginal cost curve is the same as its supply curve.

Test Bank: I Topic: Marginal Cost and Short-Run Supply

Type: Graph

64.





Refer to the diagram for a purely competitive producer. The firm will produce at a loss at all prices



below P2.

below P1.

below P3.

D. between P2 and P3.


AACSB: Knowledge Application

Blooms: Understand Difficulty: 02 Medium

Learning Objective: 10-05 Explain how purely competitive firms can use the marginal-revenue–marginal-cost approach to maximize profits or minimize losses in the short run.

Test Bank: I Topic: Profit Maximization in the Short Run: Marginal-Revenue–Marginal-Cost Approach

Type: Graph

65.




Refer to the diagram for a purely competitive producer. If product price is P3,



the firm will maximize profit at point d.

the firm will earn an economic profit.

C. economic profits will be zero.

D. new firms will enter this industry.


AACSB: Knowledge Application

Blooms: Understand Difficulty: 02 Medium

Learning Objective: 10-05 Explain how purely competitive firms can use the marginal-revenue–marginal-cost approach to maximize profits or minimize losses in the short run.

Test Bank: I Topic: Profit Maximization in the Short Run: Marginal-Revenue–Marginal-Cost Approach

Type: Graph

66.





Refer to the diagram for a purely competitive producer. The firm's short-run supply curve is



A. the abcd segment and above on the MC curve.

B. the bcd segment and above on the MC curve.

the cd segment and above on the MC curve.

not shown.


AACSB: Knowledge Application

Blooms: Understand Difficulty: 02 Medium

Learning Objective: 10-06 Explain why a competitive firms marginal cost curve is the same as its supply curve.

Test Bank: I Topic: Marginal Cost and Short-Run Supply

Type: Graph


The short-run supply curve of a purely competitive producer is based primarily on its


AVC curve.

ATC curve.

AFC curve.

D. MC curve.


AACSB: Knowledge Application Accessibility: Keyboard Navigation

Blooms: Understand Difficulty: 02 Medium

Learning Objective: 10-06 Explain why a competitive firms marginal cost curve is the same as its supply curve.

Test Bank: I Topic: Marginal Cost and Short-Run Supply


On a per-unit basis, economic profit can be determined as the difference between


A. marginal revenue and product price.

B. product price and average total cost.

marginal revenue and marginal cost.

average fixed cost and product price.


AACSB: Knowledge Application Accessibility: Keyboard Navigation

Blooms: Understand Difficulty: 02 Medium

Learning Objective: 10-05 Explain how purely competitive firms can use the marginal-revenue–marginal-cost approach to maximize profits or minimize losses in the short run.

Test Bank: I Topic: Profit Maximization in the Short Run: Marginal-Revenue–Marginal-Cost Approach

In the short run, a purely competitive seller will shut down if


A. it cannot produce at an economic profit.

B. price is less than average variable cost at all outputs.

price is less than average fixed cost at all outputs.

there is no point at which marginal revenue and marginal cost are equal.


AACSB: Knowledge Application Accessibility: Keyboard Navigation

Blooms: Understand Difficulty: 02 Medium

Learning Objective: 10-05 Explain how purely competitive firms can use the marginal-revenue–marginal-cost approach to maximize profits or minimize losses in the short run.

Test Bank: I Topic: Profit Maximization in the Short Run: Marginal-Revenue–Marginal-Cost Approach


70.



























According to the accompanying diagram, to maximize profit or minimize losses, this firm will produce




K units at price C.

D units at price J.

C. E units at price A.

D. E units at price B.


AACSB: Knowledge Application

Blooms: Understand Difficulty: 02 Medium

Learning Objective: 10-05 Explain how purely competitive firms can use the marginal-revenue–marginal-cost approach to maximize profits or minimize losses in the short run.

Test Bank: I Topic: Profit Maximization in the Short Run: Marginal-Revenue–Marginal-Cost Approach

Type: Graph

71.





Refer to the accompanying diagram. At the profit-maximizing output, total revenue will be



A. 0AHE.

0BGE.

0CFE.

ABGE.


AACSB: Knowledge Application

Blooms: Understand Difficulty: 02 Medium

Learning Objective: 10-05 Explain how purely competitive firms can use the marginal-revenue–marginal-cost approach to maximize profits or minimize losses in the short run.

Test Bank: I Topic: Profit Maximization in the Short Run: Marginal-Revenue–Marginal-Cost Approach

Type: Graph

72.





According to the accompanying diagram, at the profit-maximizing output, total fixed cost is equal to



0AHE.

0BGE.

0CFE.

D. BCFG.


AACSB: Knowledge Application

Blooms: Understand Difficulty: 02 Medium

Learning Objective: 10-05 Explain how purely competitive firms can use the marginal-revenue–marginal-cost approach to maximize profits or minimize losses in the short run.

Test Bank: I Topic: Profit Maximization in the Short Run: Marginal-Revenue–Marginal-Cost Approach

Type: Graph

73.





According to the accompanying diagram, at the profit-maximizing output, total variable cost is equal to



A. 0AHE.

B. 0CFE.

0BGE.

ABGH.


AACSB: Knowledge Application

Blooms: Understand Difficulty: 02 Medium

Learning Objective: 10-05 Explain how purely competitive firms can use the marginal-revenue–marginal-cost approach to maximize profits or minimize losses in the short run.

Test Bank: I Topic: Profit Maximization in the Short Run: Marginal-Revenue–Marginal-Cost Approach

Type: Graph

74.





According to the accompanying diagram, at the profit-maximizing output, the firm will realize



a loss equal to BCFG.

a loss equal to ACFH.

an economic profit of ACFH.

D. an economic profit of ABGH.


AACSB: Knowledge Application

Blooms: Understand Difficulty: 02 Medium

Learning Objective: 10-05 Explain how purely competitive firms can use the marginal-revenue–marginal-cost approach to maximize profits or minimize losses in the short run.

Test Bank: I Topic: Profit Maximization in the Short Run: Marginal-Revenue–Marginal-Cost Approach

Type: Graph


75. If a purely competitive firm is producing at some output level less than the profit-maximizing output, then


price is necessarily greater than average total cost.

fixed costs are large relative to variable costs.

price exceeds marginal revenue.

D. marginal revenue exceeds marginal cost.


AACSB: Knowledge Application Accessibility: Keyboard Navigation

Blooms: Understand Difficulty: 02 Medium

Learning Objective: 10-05 Explain how purely competitive firms can use the marginal-revenue–marginal-cost approach to maximize profits or minimize losses in the short run.

Test Bank: I Topic: Profit Maximization in the Short Run: Marginal-Revenue–Marginal-Cost Approach

76.















The accompanying table gives cost data for a firm that is selling in a purely competitive market. If the market price for the firm's product is $12, the competitive firm should produce




4 units at a loss of $109.

4 units at an economic profit of $31.75.

8 units at a loss of $48.80.

D. zero units at a loss of $100.


AACSB: Knowledge Application

Blooms: Understand Difficulty: 02 Medium

Learning Objective: 10-05 Explain how purely competitive firms can use the marginal-revenue–marginal-cost approach to maximize profits or minimize losses in the short run.

Test Bank: I Topic: Profit Maximization in the Short Run: Marginal-Revenue–Marginal-Cost Approach

Type: Table


77.















The accompanying table gives cost data for a firm that is selling in a purely competitive market. If the market price for the firm's product is $32, the competitive firm will produce



A. 8 units at an economic profit of $16.

6 units at an economic profit of $7.98.

10 units at an economic profit of $4.

7 units at an economic profit of $41.50.


AACSB: Knowledge Application

Blooms: Understand Difficulty: 02 Medium

Learning Objective: 10-05 Explain how purely competitive firms can use the marginal-revenue–marginal-cost approach to maximize profits or minimize losses in the short run.

Test Bank: I Topic: Profit Maximization in the Short Run: Marginal-Revenue–Marginal-Cost Approach

Type: Table

78.















The accompanying table gives cost data for a firm that is selling in a purely competitive market. If the market price for the firm's product is $28, the competitive firm will




A. produce 4 units at a loss of $17.40.

B. produce 7 units at a loss of $14.00.

shut down in the short run.

produce 6 units at a loss of $23.80.


AACSB: Knowledge Application

Blooms: Understand Difficulty: 02 Medium

Learning Objective: 10-05 Explain how purely competitive firms can use the marginal-revenue–marginal-cost approach to maximize profits or minimize losses in the short run.

Test Bank: I Topic: Profit Maximization in the Short Run: Marginal-Revenue–Marginal-Cost Approach

Type: Table

79.















The accompanying table gives cost data for a firm that is selling in a purely competitive market. Which of the following tables gives the firm's short- run supply schedule?



A.







B.







C.







D.








AACSB: Knowledge Application

Blooms: Understand Difficulty: 02 Medium

Learning Objective: 10-06 Explain why a competitive firms marginal cost curve is the same as its supply curve.

Test Bank: I Topic: Marginal Cost and Short-Run Supply

Type: Table

80.















The accompanying table gives cost data for a firm that is selling in a purely competitive market. If there were 1,000 identical firms in this industry and total, or market, demand is as shown in the second table, equilibrium price will be



Price Quantity Demanded

$50 3,000