Thursday, December 22, 2016

Eco 200 mid term exam

Eco 200 mid term exam






Chapter 7 Question 1

Economic profit is defined as
 
  http://courses.aplia.com/images/radiobutton_off.gifA.  total revenue minus explicit costs
Correct Answer http://courses.aplia.com/images/radiobutton_off.gifB.  total revenue minus implicit and explicit costs
  http://courses.aplia.com/images/radiobutton_off.gifC.  total revenue plus implicit costs
  http://courses.aplia.com/images/radiobutton_off.gifD.  total revenue minus implicit costs
   
 
A firm's opportunity costs of using resources provided by the firm's owners are called
 
  http://courses.aplia.com/images/radiobutton_off.gifA.  explicit costs
Correct Answer http://courses.aplia.com/images/radiobutton_off.gifB.  implicit costs
  http://courses.aplia.com/images/radiobutton_off.gifC.  fixed costs
  http://courses.aplia.com/images/radiobutton_off.gifD.  sunk costs
   
 
Inputs that can be increased or decreased in the short run are called
 
Correct Answer http://courses.aplia.com/images/radiobutton_off.gifA.  variable inputs
  http://courses.aplia.com/images/radiobutton_off.gifB.  fixed inputs
  http://courses.aplia.com/images/radiobutton_off.gifC.  economic inputs
  http://courses.aplia.com/images/radiobutton_off.gifD.  accounting inputs
   
 
The short run is a period of time
 
  http://courses.aplia.com/images/radiobutton_off.gifA.  during which all resources may be varied
  http://courses.aplia.com/images/radiobutton_off.gifB.  during which all resources are fixed
Correct Answer http://courses.aplia.com/images/radiobutton_off.gifC.  during which at least one resource is fixed
  http://courses.aplia.com/images/radiobutton_off.gifD.  equal to or less than six months
   
 
The additional output obtained by adding another unit of labor to the production process is called
 
  http://courses.aplia.com/images/radiobutton_off.gifA.  the marginal cost of labor
  http://courses.aplia.com/images/radiobutton_off.gifB.  the average output of labor
  http://courses.aplia.com/images/radiobutton_off.gifC.  the marginal utility of labor
Correct Answer http://courses.aplia.com/images/radiobutton_off.gifD.  the marginal product of labor
   
 
When diminishing marginal returns set in, TOTAL product
 
  http://courses.aplia.com/images/radiobutton_off.gifA.  decreases at an increasing rate
  http://courses.aplia.com/images/radiobutton_off.gifB.  increases at an increasing rate
Correct Answer http://courses.aplia.com/images/radiobutton_off.gifC.  increases at a decreasing rate
  http://courses.aplia.com/images/radiobutton_off.gifD.  decreases at a decreasing rate
   
 
Total fixed cost divided by the level of output yields
 
  http://courses.aplia.com/images/radiobutton_off.gifA.  average variable cost
  http://courses.aplia.com/images/radiobutton_off.gifB.  marginal cost
Correct Answer http://courses.aplia.com/images/radiobutton_off.gifC.  average fixed cost
  http://courses.aplia.com/images/radiobutton_off.gifD.  average total cost
   
 
The marginal cost curve intersects the minimum point of the average variable cost curve.
 
Correct Answer http://courses.aplia.com/images/radiobutton_off.gifTrue
  http://courses.aplia.com/images/radiobutton_off.gifFalse
   
 
If marginal cost exceeds average variable cost,
 
  http://courses.aplia.com/images/radiobutton_off.gifA.  marginal cost is greater than average total cost
  http://courses.aplia.com/images/radiobutton_off.gifB.  average variable cost is decreasing
  http://courses.aplia.com/images/radiobutton_off.gifC.  average variable cost is negative
Correct Answer http://courses.aplia.com/images/radiobutton_off.gifD.  average variable cost is increasing
   
 
Economies of scale occur where
 
  http://courses.aplia.com/images/radiobutton_off.gifA.  long-run average cost rises as one firm expands plant size
  http://courses.aplia.com/images/radiobutton_off.gifB.  long-run average cost falls as new firms enter the industry
Correct Answer http://courses.aplia.com/images/radiobutton_off.gifC.  long-run average cost falls as one firm expands plant size
  http://courses.aplia.com/images/radiobutton_off.gifD.  short-run average cost falls as new firms enter the industry
   
 
Which of the following is NOT necessarily a characteristic of perfect competition?
 
  http://courses.aplia.com/images/radiobutton_off.gifA.  easy entry and exit in the long run
  http://courses.aplia.com/images/radiobutton_off.gifB.  a homogeneous product
  http://courses.aplia.com/images/radiobutton_off.gifC.  a large number of buyers and sellers
Correct Answer http://courses.aplia.com/images/radiobutton_off.gifD.  low prices
   
 
Chapter 8 Question 2
If a perfectly competitive firm raises its price, its sales decrease to zero.
 
Correct Answer http://courses.aplia.com/images/radiobutton_off.gifTrue
  http://courses.aplia.com/images/radiobutton_off.gifFalse
   
 
The demand curve for the output of a perfectly competitive firm is
 
  http://courses.aplia.com/images/radiobutton_off.gifA.  perfectly inelastic
  http://courses.aplia.com/images/radiobutton_off.gifB.  unit elastic
Correct Answer http://courses.aplia.com/images/radiobutton_off.gifC.  perfectly elastic
  http://courses.aplia.com/images/radiobutton_off.gifD.  downward sloping
   
 
The total revenue curve of a perfectly competitive firm
 
  http://courses.aplia.com/images/radiobutton_off.gifA.  has a diminishing slope as output increases
  http://courses.aplia.com/images/radiobutton_off.gifB.  is horizontal
  http://courses.aplia.com/images/radiobutton_off.gifC.  is vertical
Correct Answer http://courses.aplia.com/images/radiobutton_off.gifD.  has a constant slope as output increases
   
 
The golden rule of profit maximization states that ANY firm maximizes profit by producing where
 
  http://courses.aplia.com/images/radiobutton_off.gifA.  price equals marginal revenue
  http://courses.aplia.com/images/radiobutton_off.gifB.  price equals average revenue
  http://courses.aplia.com/images/radiobutton_off.gifC.  demand is unit elastic, and total revenue is greatest
Correct Answer http://courses.aplia.com/images/radiobutton_off.gifD.  marginal revenue equals marginal cost
   
 
Chapter 8 Question 6
Which of the following is true at each level of output for a perfectly competitive firm?
 
  http://courses.aplia.com/images/radiobutton_off.gifA.  MC = AVC = ATC
  http://courses.aplia.com/images/radiobutton_off.gifB.  MR = AR = MC
Correct Answer http://courses.aplia.com/images/radiobutton_off.gifC.  AR = MR = P
  http://courses.aplia.com/images/radiobutton_off.gifD.  MR = MC
   
 
Suppose a perfectly competitive firm's marginal revenue is $10 while its marginal cost is $11. Under these circumstances the firm
 
  http://courses.aplia.com/images/radiobutton_off.gifA.  needs to know the market price before it can determine whether it is maximizing profit
Correct Answer http://courses.aplia.com/images/radiobutton_off.gifB.  is not maximizing profit and should decrease output
  http://courses.aplia.com/images/radiobutton_off.gifC.  is not maximizing profit and should increase output
  http://courses.aplia.com/images/radiobutton_off.gifD.  is maximizing profit and should not change output
   
 

Chapter 8 Question 8
If a perfectly competitive firm is incurring a short-run loss, it
 
  http://courses.aplia.com/images/radiobutton_off.gifA.  then will incur a long-run loss
Correct Answer http://courses.aplia.com/images/radiobutton_off.gifB.  will continue to operate in the short run if its variable cost is covered
  http://courses.aplia.com/images/radiobutton_off.gifC.  will continue to operate in the short run if its fixed cost is covered
  http://courses.aplia.com/images/radiobutton_off.gifD.  will shut down
   
 
The short-run supply curve of a perfectly competitive firm is
 
Correct Answer http://courses.aplia.com/images/radiobutton_off.gifA.  the part of its marginal cost curve rising above the average variable cost curve
  http://courses.aplia.com/images/radiobutton_off.gifB.  the part of its marginal cost curve below the average variable cost curve
  http://courses.aplia.com/images/radiobutton_off.gifC.  its average total cost curve
  http://courses.aplia.com/images/radiobutton_off.gifD.  its average fixed cost curve
   
 
Which of the following is true for a perfectly competitive firm in the long run?
 
  http://courses.aplia.com/images/radiobutton_off.gifA.  MC = ATC = AFC
Correct Answer http://courses.aplia.com/images/radiobutton_off.gifB.  MR = MC = ATC
  http://courses.aplia.com/images/radiobutton_off.gifC.  MR = MC > ATC
  http://courses.aplia.com/images/radiobutton_off.gifD.  MR = MC = AFC
   
 

Chapter 9 Question 1
Anything that prevents new firms from competing on an equal basis with existing firms in an industry is called a barrier to entry.
 
Correct Answer http://courses.aplia.com/images/radiobutton_off.gifTrue
  http://courses.aplia.com/images/radiobutton_off.gifFalse
   
 
Which of the following is true of monopoly?
 
  http://courses.aplia.com/images/radiobutton_off.gifA.  The firm is a price taker.
Correct Answer http://courses.aplia.com/images/radiobutton_off.gifB.  There are no close substitutes for the product being produced.
  http://courses.aplia.com/images/radiobutton_off.gifC.  The firm faces a horizontal demand curve.
  http://courses.aplia.com/images/radiobutton_off.gifD.  There are no barriers to entry.
   
 
A monopolist has complete control over both price and quantity of output.
 
  http://courses.aplia.com/images/radiobutton_off.gifTrue
Correct Answer http://courses.aplia.com/images/radiobutton_off.gifFalse
   
 
The demand curve facing a single-price monopolist
 
Correct Answer http://courses.aplia.com/images/radiobutton_off.gifA.  is the same as its average revenue curve
  http://courses.aplia.com/images/radiobutton_off.gifB.  is the same as the perfect competitor's demand curve
  http://courses.aplia.com/images/radiobutton_off.gifC.  is the same as its marginal revenue curve
  http://courses.aplia.com/images/radiobutton_off.gifD.  lies below its average revenue curve
   
 
For a monopolist, marginal revenue is
 
  http://courses.aplia.com/images/radiobutton_off.gifA.  equal to average revenue
  http://courses.aplia.com/images/radiobutton_off.gifB.  greater than price
  http://courses.aplia.com/images/radiobutton_off.gifC.  equal to price
Correct Answer http://courses.aplia.com/images/radiobutton_off.gifD.  less than price
Chapter 7 Question 1
Economic profit is defined as
 
  http://courses.aplia.com/images/radiobutton_off.gifA.  total revenue minus explicit costs
Correct Answer http://courses.aplia.com/images/radiobutton_off.gifB.  total revenue minus implicit and explicit costs
  http://courses.aplia.com/images/radiobutton_off.gifC.  total revenue plus implicit costs
  http://courses.aplia.com/images/radiobutton_off.gifD.  total revenue minus implicit costs
   
 
A firm's opportunity costs of using resources provided by the firm's owners are called
 
  http://courses.aplia.com/images/radiobutton_off.gifA.  explicit costs
Correct Answer http://courses.aplia.com/images/radiobutton_off.gifB.  implicit costs
  http://courses.aplia.com/images/radiobutton_off.gifC.  fixed costs
  http://courses.aplia.com/images/radiobutton_off.gifD.  sunk costs
   
 
Inputs that can be increased or decreased in the short run are called
 
Correct Answer http://courses.aplia.com/images/radiobutton_off.gifA.  variable inputs
  http://courses.aplia.com/images/radiobutton_off.gifB.  fixed inputs
  http://courses.aplia.com/images/radiobutton_off.gifC.  economic inputs
  http://courses.aplia.com/images/radiobutton_off.gifD.  accounting inputs
   
 
The short run is a period of time
 
  http://courses.aplia.com/images/radiobutton_off.gifA.  during which all resources may be varied
  http://courses.aplia.com/images/radiobutton_off.gifB.  during which all resources are fixed
Correct Answer http://courses.aplia.com/images/radiobutton_off.gifC.  during which at least one resource is fixed
  http://courses.aplia.com/images/radiobutton_off.gifD.  equal to or less than six months
   
 
The additional output obtained by adding another unit of labor to the production process is called
 
  http://courses.aplia.com/images/radiobutton_off.gifA.  the marginal cost of labor
  http://courses.aplia.com/images/radiobutton_off.gifB.  the average output of labor
  http://courses.aplia.com/images/radiobutton_off.gifC.  the marginal utility of labor
Correct Answer http://courses.aplia.com/images/radiobutton_off.gifD.  the marginal product of labor
   
 
When diminishing marginal returns set in, TOTAL product
 
  http://courses.aplia.com/images/radiobutton_off.gifA.  decreases at an increasing rate
  http://courses.aplia.com/images/radiobutton_off.gifB.  increases at an increasing rate
Correct Answer http://courses.aplia.com/images/radiobutton_off.gifC.  increases at a decreasing rate
  http://courses.aplia.com/images/radiobutton_off.gifD.  decreases at a decreasing rate
   
 
Total fixed cost divided by the level of output yields
 
  http://courses.aplia.com/images/radiobutton_off.gifA.  average variable cost
  http://courses.aplia.com/images/radiobutton_off.gifB.  marginal cost
Correct Answer http://courses.aplia.com/images/radiobutton_off.gifC.  average fixed cost
  http://courses.aplia.com/images/radiobutton_off.gifD.  average total cost
   
 
The marginal cost curve intersects the minimum point of the average variable cost curve.
 
Correct Answer http://courses.aplia.com/images/radiobutton_off.gifTrue
  http://courses.aplia.com/images/radiobutton_off.gifFalse
   
 
If marginal cost exceeds average variable cost,
 
  http://courses.aplia.com/images/radiobutton_off.gifA.  marginal cost is greater than average total cost
  http://courses.aplia.com/images/radiobutton_off.gifB.  average variable cost is decreasing
  http://courses.aplia.com/images/radiobutton_off.gifC.  average variable cost is negative
Correct Answer http://courses.aplia.com/images/radiobutton_off.gifD.  average variable cost is increasing
   
 
Economies of scale occur where
 
  http://courses.aplia.com/images/radiobutton_off.gifA.  long-run average cost rises as one firm expands plant size
  http://courses.aplia.com/images/radiobutton_off.gifB.  long-run average cost falls as new firms enter the industry
Correct Answer http://courses.aplia.com/images/radiobutton_off.gifC.  long-run average cost falls as one firm expands plant size
  http://courses.aplia.com/images/radiobutton_off.gifD.  short-run average cost falls as new firms enter the industry
   
 
Which of the following is NOT necessarily a characteristic of perfect competition?
 
  http://courses.aplia.com/images/radiobutton_off.gifA.  easy entry and exit in the long run
  http://courses.aplia.com/images/radiobutton_off.gifB.  a homogeneous product
  http://courses.aplia.com/images/radiobutton_off.gifC.  a large number of buyers and sellers
Correct Answer http://courses.aplia.com/images/radiobutton_off.gifD.  low prices
   
 
Chapter 8 Question 2
If a perfectly competitive firm raises its price, its sales decrease to zero.
 
Correct Answer http://courses.aplia.com/images/radiobutton_off.gifTrue
  http://courses.aplia.com/images/radiobutton_off.gifFalse
   
 
The demand curve for the output of a perfectly competitive firm is
 
  http://courses.aplia.com/images/radiobutton_off.gifA.  perfectly inelastic
  http://courses.aplia.com/images/radiobutton_off.gifB.  unit elastic
Correct Answer http://courses.aplia.com/images/radiobutton_off.gifC.  perfectly elastic
  http://courses.aplia.com/images/radiobutton_off.gifD.  downward sloping
   
 
The total revenue curve of a perfectly competitive firm
 
  http://courses.aplia.com/images/radiobutton_off.gifA.  has a diminishing slope as output increases
  http://courses.aplia.com/images/radiobutton_off.gifB.  is horizontal
  http://courses.aplia.com/images/radiobutton_off.gifC.  is vertical
Correct Answer http://courses.aplia.com/images/radiobutton_off.gifD.  has a constant slope as output increases
   
 
The golden rule of profit maximization states that ANY firm maximizes profit by producing where
 
  http://courses.aplia.com/images/radiobutton_off.gifA.  price equals marginal revenue
  http://courses.aplia.com/images/radiobutton_off.gifB.  price equals average revenue
  http://courses.aplia.com/images/radiobutton_off.gifC.  demand is unit elastic, and total revenue is greatest
Correct Answer http://courses.aplia.com/images/radiobutton_off.gifD.  marginal revenue equals marginal cost
   
 
Chapter 8 Question 6
Which of the following is true at each level of output for a perfectly competitive firm?
 
  http://courses.aplia.com/images/radiobutton_off.gifA.  MC = AVC = ATC
  http://courses.aplia.com/images/radiobutton_off.gifB.  MR = AR = MC
Correct Answer http://courses.aplia.com/images/radiobutton_off.gifC.  AR = MR = P
  http://courses.aplia.com/images/radiobutton_off.gifD.  MR = MC
   
 
Suppose a perfectly competitive firm's marginal revenue is $10 while its marginal cost is $11. Under these circumstances the firm
 
  http://courses.aplia.com/images/radiobutton_off.gifA.  needs to know the market price before it can determine whether it is maximizing profit
Correct Answer http://courses.aplia.com/images/radiobutton_off.gifB.  is not maximizing profit and should decrease output
  http://courses.aplia.com/images/radiobutton_off.gifC.  is not maximizing profit and should increase output
  http://courses.aplia.com/images/radiobutton_off.gifD.  is maximizing profit and should not change output
   
 

Chapter 8 Question 8
If a perfectly competitive firm is incurring a short-run loss, it
 
  http://courses.aplia.com/images/radiobutton_off.gifA.  then will incur a long-run loss
Correct Answer http://courses.aplia.com/images/radiobutton_off.gifB.  will continue to operate in the short run if its variable cost is covered
  http://courses.aplia.com/images/radiobutton_off.gifC.  will continue to operate in the short run if its fixed cost is covered
  http://courses.aplia.com/images/radiobutton_off.gifD.  will shut down
   
 
The short-run supply curve of a perfectly competitive firm is
 
Correct Answer http://courses.aplia.com/images/radiobutton_off.gifA.  the part of its marginal cost curve rising above the average variable cost curve
  http://courses.aplia.com/images/radiobutton_off.gifB.  the part of its marginal cost curve below the average variable cost curve
  http://courses.aplia.com/images/radiobutton_off.gifC.  its average total cost curve
  http://courses.aplia.com/images/radiobutton_off.gifD.  its average fixed cost curve
   
 
Which of the following is true for a perfectly competitive firm in the long run?
 
  http://courses.aplia.com/images/radiobutton_off.gifA.  MC = ATC = AFC
Correct Answer http://courses.aplia.com/images/radiobutton_off.gifB.  MR = MC = ATC
  http://courses.aplia.com/images/radiobutton_off.gifC.  MR = MC > ATC
  http://courses.aplia.com/images/radiobutton_off.gifD.  MR = MC = AFC
   
 

Chapter 9 Question 1
Anything that prevents new firms from competing on an equal basis with existing firms in an industry is called a barrier to entry.
 
Correct Answer http://courses.aplia.com/images/radiobutton_off.gifTrue
  http://courses.aplia.com/images/radiobutton_off.gifFalse
   
 
Which of the following is true of monopoly?
 
  http://courses.aplia.com/images/radiobutton_off.gifA.  The firm is a price taker.
Correct Answer http://courses.aplia.com/images/radiobutton_off.gifB.  There are no close substitutes for the product being produced.
  http://courses.aplia.com/images/radiobutton_off.gifC.  The firm faces a horizontal demand curve.
  http://courses.aplia.com/images/radiobutton_off.gifD.  There are no barriers to entry.
   
 
A monopolist has complete control over both price and quantity of output.
 
  http://courses.aplia.com/images/radiobutton_off.gifTrue
Correct Answer http://courses.aplia.com/images/radiobutton_off.gifFalse
   
 
The demand curve facing a single-price monopolist
 
Correct Answer http://courses.aplia.com/images/radiobutton_off.gifA.  is the same as its average revenue curve
  http://courses.aplia.com/images/radiobutton_off.gifB.  is the same as the perfect competitor's demand curve
  http://courses.aplia.com/images/radiobutton_off.gifC.  is the same as its marginal revenue curve
  http://courses.aplia.com/images/radiobutton_off.gifD.  lies below its average revenue curve
   
 
For a monopolist, marginal revenue is
 
  http://courses.aplia.com/images/radiobutton_off.gifA.  equal to average revenue
  http://courses.aplia.com/images/radiobutton_off.gifB.  greater than price
  http://courses.aplia.com/images/radiobutton_off.gifC.  equal to price
Correct Answer http://courses.aplia.com/images/radiobutton_off.gifD.  less than price
Chapter 7 Question 1
Economic profit is defined as
 
  http://courses.aplia.com/images/radiobutton_off.gifA.  total revenue minus explicit costs
Correct Answer http://courses.aplia.com/images/radiobutton_off.gifB.  total revenue minus implicit and explicit costs
  http://courses.aplia.com/images/radiobutton_off.gifC.  total revenue plus implicit costs
  http://courses.aplia.com/images/radiobutton_off.gifD.  total revenue minus implicit costs
   
 
A firm's opportunity costs of using resources provided by the firm's owners are called
 
  http://courses.aplia.com/images/radiobutton_off.gifA.  explicit costs
Correct Answer http://courses.aplia.com/images/radiobutton_off.gifB.  implicit costs
  http://courses.aplia.com/images/radiobutton_off.gifC.  fixed costs
  http://courses.aplia.com/images/radiobutton_off.gifD.  sunk costs
   
 
Inputs that can be increased or decreased in the short run are called
 
Correct Answer http://courses.aplia.com/images/radiobutton_off.gifA.  variable inputs
  http://courses.aplia.com/images/radiobutton_off.gifB.  fixed inputs
  http://courses.aplia.com/images/radiobutton_off.gifC.  economic inputs
  http://courses.aplia.com/images/radiobutton_off.gifD.  accounting inputs
   
 
The short run is a period of time
 
  http://courses.aplia.com/images/radiobutton_off.gifA.  during which all resources may be varied
  http://courses.aplia.com/images/radiobutton_off.gifB.  during which all resources are fixed
Correct Answer http://courses.aplia.com/images/radiobutton_off.gifC.  during which at least one resource is fixed
  http://courses.aplia.com/images/radiobutton_off.gifD.  equal to or less than six months
   
 
The additional output obtained by adding another unit of labor to the production process is called
 
  http://courses.aplia.com/images/radiobutton_off.gifA.  the marginal cost of labor
  http://courses.aplia.com/images/radiobutton_off.gifB.  the average output of labor
  http://courses.aplia.com/images/radiobutton_off.gifC.  the marginal utility of labor
Correct Answer http://courses.aplia.com/images/radiobutton_off.gifD.  the marginal product of labor
   
 
When diminishing marginal returns set in, TOTAL product
 
  http://courses.aplia.com/images/radiobutton_off.gifA.  decreases at an increasing rate
  http://courses.aplia.com/images/radiobutton_off.gifB.  increases at an increasing rate
Correct Answer http://courses.aplia.com/images/radiobutton_off.gifC.  increases at a decreasing rate
  http://courses.aplia.com/images/radiobutton_off.gifD.  decreases at a decreasing rate
   
 
Total fixed cost divided by the level of output yields
 
  http://courses.aplia.com/images/radiobutton_off.gifA.  average variable cost
  http://courses.aplia.com/images/radiobutton_off.gifB.  marginal cost
Correct Answer http://courses.aplia.com/images/radiobutton_off.gifC.  average fixed cost
  http://courses.aplia.com/images/radiobutton_off.gifD.  average total cost
   
 
The marginal cost curve intersects the minimum point of the average variable cost curve.
 
Correct Answer http://courses.aplia.com/images/radiobutton_off.gifTrue
  http://courses.aplia.com/images/radiobutton_off.gifFalse
   
 
If marginal cost exceeds average variable cost,
 
  http://courses.aplia.com/images/radiobutton_off.gifA.  marginal cost is greater than average total cost
  http://courses.aplia.com/images/radiobutton_off.gifB.  average variable cost is decreasing
  http://courses.aplia.com/images/radiobutton_off.gifC.  average variable cost is negative
Correct Answer http://courses.aplia.com/images/radiobutton_off.gifD.  average variable cost is increasing
   
 
Economies of scale occur where
 
  http://courses.aplia.com/images/radiobutton_off.gifA.  long-run average cost rises as one firm expands plant size
  http://courses.aplia.com/images/radiobutton_off.gifB.  long-run average cost falls as new firms enter the industry
Correct Answer http://courses.aplia.com/images/radiobutton_off.gifC.  long-run average cost falls as one firm expands plant size
  http://courses.aplia.com/images/radiobutton_off.gifD.  short-run average cost falls as new firms enter the industry
   
 
Which of the following is NOT necessarily a characteristic of perfect competition?
 
  http://courses.aplia.com/images/radiobutton_off.gifA.  easy entry and exit in the long run
  http://courses.aplia.com/images/radiobutton_off.gifB.  a homogeneous product
  http://courses.aplia.com/images/radiobutton_off.gifC.  a large number of buyers and sellers
Correct Answer http://courses.aplia.com/images/radiobutton_off.gifD.  low prices
   
 
Chapter 8 Question 2
If a perfectly competitive firm raises its price, its sales decrease to zero.
 
Correct Answer http://courses.aplia.com/images/radiobutton_off.gifTrue
  http://courses.aplia.com/images/radiobutton_off.gifFalse
   
 
The demand curve for the output of a perfectly competitive firm is
 
  http://courses.aplia.com/images/radiobutton_off.gifA.  perfectly inelastic
  http://courses.aplia.com/images/radiobutton_off.gifB.  unit elastic
Correct Answer http://courses.aplia.com/images/radiobutton_off.gifC.  perfectly elastic
  http://courses.aplia.com/images/radiobutton_off.gifD.  downward sloping
   
 
The total revenue curve of a perfectly competitive firm
 
  http://courses.aplia.com/images/radiobutton_off.gifA.  has a diminishing slope as output increases
  http://courses.aplia.com/images/radiobutton_off.gifB.  is horizontal
  http://courses.aplia.com/images/radiobutton_off.gifC.  is vertical
Correct Answer http://courses.aplia.com/images/radiobutton_off.gifD.  has a constant slope as output increases
   
 
The golden rule of profit maximization states that ANY firm maximizes profit by producing where
 
  http://courses.aplia.com/images/radiobutton_off.gifA.  price equals marginal revenue
  http://courses.aplia.com/images/radiobutton_off.gifB.  price equals average revenue
  http://courses.aplia.com/images/radiobutton_off.gifC.  demand is unit elastic, and total revenue is greatest
Correct Answer http://courses.aplia.com/images/radiobutton_off.gifD.  marginal revenue equals marginal cost
   
 
Chapter 8 Question 6
Which of the following is true at each level of output for a perfectly competitive firm?
 
  http://courses.aplia.com/images/radiobutton_off.gifA.  MC = AVC = ATC
  http://courses.aplia.com/images/radiobutton_off.gifB.  MR = AR = MC
Correct Answer http://courses.aplia.com/images/radiobutton_off.gifC.  AR = MR = P
  http://courses.aplia.com/images/radiobutton_off.gifD.  MR = MC
   
 
Suppose a perfectly competitive firm's marginal revenue is $10 while its marginal cost is $11. Under these circumstances the firm
 
  http://courses.aplia.com/images/radiobutton_off.gifA.  needs to know the market price before it can determine whether it is maximizing profit
Correct Answer http://courses.aplia.com/images/radiobutton_off.gifB.  is not maximizing profit and should decrease output
  http://courses.aplia.com/images/radiobutton_off.gifC.  is not maximizing profit and should increase output
  http://courses.aplia.com/images/radiobutton_off.gifD.  is maximizing profit and should not change output
   
 

Chapter 8 Question 8
If a perfectly competitive firm is incurring a short-run loss, it
 
  http://courses.aplia.com/images/radiobutton_off.gifA.  then will incur a long-run loss
Correct Answer http://courses.aplia.com/images/radiobutton_off.gifB.  will continue to operate in the short run if its variable cost is covered
  http://courses.aplia.com/images/radiobutton_off.gifC.  will continue to operate in the short run if its fixed cost is covered
  http://courses.aplia.com/images/radiobutton_off.gifD.  will shut down
   
 
The short-run supply curve of a perfectly competitive firm is
 
Correct Answer http://courses.aplia.com/images/radiobutton_off.gifA.  the part of its marginal cost curve rising above the average variable cost curve
  http://courses.aplia.com/images/radiobutton_off.gifB.  the part of its marginal cost curve below the average variable cost curve
  http://courses.aplia.com/images/radiobutton_off.gifC.  its average total cost curve
  http://courses.aplia.com/images/radiobutton_off.gifD.  its average fixed cost curve
   
 
Which of the following is true for a perfectly competitive firm in the long run?
 
  http://courses.aplia.com/images/radiobutton_off.gifA.  MC = ATC = AFC
Correct Answer http://courses.aplia.com/images/radiobutton_off.gifB.  MR = MC = ATC
  http://courses.aplia.com/images/radiobutton_off.gifC.  MR = MC > ATC
  http://courses.aplia.com/images/radiobutton_off.gifD.  MR = MC = AFC
   
 

Chapter 9 Question 1
Anything that prevents new firms from competing on an equal basis with existing firms in an industry is called a barrier to entry.
 
Correct Answer http://courses.aplia.com/images/radiobutton_off.gifTrue
  http://courses.aplia.com/images/radiobutton_off.gifFalse
   
 
Which of the following is true of monopoly?
 
  http://courses.aplia.com/images/radiobutton_off.gifA.  The firm is a price taker.
Correct Answer http://courses.aplia.com/images/radiobutton_off.gifB.  There are no close substitutes for the product being produced.
  http://courses.aplia.com/images/radiobutton_off.gifC.  The firm faces a horizontal demand curve.
  http://courses.aplia.com/images/radiobutton_off.gifD.  There are no barriers to entry.
   
 
A monopolist has complete control over both price and quantity of output.
 
  http://courses.aplia.com/images/radiobutton_off.gifTrue
Correct Answer http://courses.aplia.com/images/radiobutton_off.gifFalse
   
 
The demand curve facing a single-price monopolist
 
Correct Answer http://courses.aplia.com/images/radiobutton_off.gifA.  is the same as its average revenue curve
  http://courses.aplia.com/images/radiobutton_off.gifB.  is the same as the perfect competitor's demand curve
  http://courses.aplia.com/images/radiobutton_off.gifC.  is the same as its marginal revenue curve
  http://courses.aplia.com/images/radiobutton_off.gifD.  lies below its average revenue curve
   
 
For a monopolist, marginal revenue is
 
  http://courses.aplia.com/images/radiobutton_off.gifA.  equal to average revenue
  http://courses.aplia.com/images/radiobutton_off.gifB.  greater than price
  http://courses.aplia.com/images/radiobutton_off.gifC.  equal to price
Correct Answer http://courses.aplia.com/images/radiobutton_off.gifD.  less than price

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