Economics chapter 10 – Flashcards

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question
The market for agricultural products such as wheat or corn would best be described by which market model?
answer
Pure competition
question
It shows short-run cost curves for a competitive firm. At what price would the firm break even?
answer
it would break even when MC=ATC
question
The fast-food restaurant industry would be an example of which market model?
answer
Monopolistic competition
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A purely competitive firm's output is currently such that its marginal cost is $4 and marginal revenue is $5. Assuming profit maximization, the firm should:
answer
Leave price unchanged and raise output
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In pure competition, each extra unit of output that a firm sells will yield a marginal revenue that is:
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Equal to the price
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A purely competitive firm can be identified by the fact that
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Its average revenue equals its marginal revenue AR=MR
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Which idea is inconsistent with pure competition? -Product differentiation Price-taking behavior Freedom of entry or exit for firms A large number of buyers and sellers
answer
Product differentiation
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If a firm increases its output quantity when marginal revenue is less than marginal cost then its profits will:
answer
Decrease
question
A firm sells a product in a purely competitive market. The marginal cost of the product at the current output of 500 units is $1.50. The minimum possible average variable cost is $1.00. The market price of the product is $1.25. To maximize profits or minimize losses, the firm should:
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Continue production, but produce less than 500 units
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In the standard model of pure competition, a profit-maximizing firm will shut down in the short run if price is below:
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Average variable cost
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A purely competitive firm currently producing 20 units of output earns marginal revenues of $12 from each extra unit of output it sells. If it sells 30 units, then its total revenues would be:
answer
$360
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If the demand curve faced by an individual firm is downward-sloping, the firm cannot be a:
answer
A purely competitive firm
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In which market model are the conditions of entry the most difficult?
answer
Pure monopoly
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Which point is definitely not on the competitive firm's short-run supply curve?
answer
the lowest point
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If the market demand for the product increases, in the short run a purely competitive firm:
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Will earn higher profits or experience smaller losses as a result of the change in the market
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In which market model are the conditions of entry into the market easiest?
answer
Pure competition
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As long as an additional unit of output yields a marginal revenue larger than its marginal cost it will be adding to total profits of the firm.
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true
question
In the short run, fixed costs are important in determining a firm's optimal level of output.
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false
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A purely competitive firm will be willing to produce even at a loss in the short run, as long as:
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The loss is smaller than its total fixed costs
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In a purely competitive industry, each firm:
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Can easily enter or exit the industry
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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 1,000 units is $2.50. The minimum possible average variable cost is $2.00. The market price of the product is $2.50. To maximize profits or minimize losses, the firm should:
answer
Continue producing 1,000 units
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If a firm is a price taker, then the demand curve for the firm's product is:
answer
Perfectly elastic
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Technological advance improves productivity in a purely competitive industry. This change will result in a shift
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Down of the individual firm's MC curve, causing the market supply curve to shift to the right
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As long as its total revenues are greater than its total costs, a firm will earn positive economic profits.
answer
true
question
Mutual interdependence would tend to limit control over price in which market model?
answer
Oligopoly
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The total revenue of a purely competitive firm from 8 units of output is $48. Based on this information, total revenue for 9 units of output must be:
answer
$54
question
If a firm has at least some control over the price of its product, then the firm cannot be in which market model:
answer
Pure competition
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The short-run supply curve for a competitive firm is the:
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Segment of the MC curve lying above the AVC curve
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Price is taken to be a "given" by an individual firm selling in a purely competitive market because:
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Each seller supplies a negligible fraction of total market
question
In which two market models would advertising be used most often?
answer
Monopolistic competition and oligopoly
question
The Campus Crustacean Company receives $2 per box for its crawfish and is selling 1,600 boxes to maximize its profits. What is the profit per box of crawfish at this equilibrium level of output if the average variable cost is $1 per box and fixed costs are $1,200?
answer
$.25
question
A profit-maximizing firm in the short run will expand output:
answer
As long as marginal revenue is greater than marginal cost
question
The wage rate increases in a purely competitive industry. This change will result in a(n):
answer
Increase in the marginal cost curve for a firm in the industry
question
Which is a feature of a purely competitive market?
answer
Products are standardized or homogeneous
question
Which of the following is a reason why individual firms under pure competition would not find it gainful to advertize their product?
answer
Firms produce a homogeneous product
question
In the standard model of pure competition, a profit-maximizing firm will shut down in the short run if:
answer
Total revenue is less than total variable cost
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