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ECON2302 - KC - Ch14
Economics Chapter 14 review
Question | Answer |
---|---|
Definition of competitive market: | a market with many buyers and sellers trading identical products so that each buyer and seller is a price taker. |
Definition of average revenue: | total revenue divided by the quantity sold. |
Definition of marginal revenue: | the change in total revenue from an additional unit sold. |
Definition of sunk cost: | a cost that has already been committed and cannot be recovered. |
A firm operating in a perfectly competitive market earns zero economic profit in the long run but remains in business because the firm's revenues cover the business owners' opportunity costs. True or false? | TRUE |
A profit-maximizing firm in a competitive market will increase production when average revenue exceeds marginal cost. True or false? | TRUE |
A firm operating in a perfectly competitive industry will continue to operate in the short run but earn losses if the market price is less than that firm's average variable cost but greater than the firm's average fixed cost. True or false? | FALSE |
Suppose a firm operating in a competitive market has the following cost curves: P1, P2, P3, P4. Firms will shut down in the short run if the market price | is less than P1. |
A firm operating in a perfectly competitive industry will shut down in the short run if its economic profits fall to zero because it is likely to be earning negative accounting profits. True or false? | FALSE |
Carol owns a running shoe store that operates in a perfectly competitive market. If running shoes sell for $120/pr and the avg total cost/pr is $125 at the profit-maximizing output level, then in the long run | some firms will exit from the market. |
Mrs. Smith operates a business in a competitive market. The current market price is $8.50. At her profit-maximizing level of production, the average variable cost is $8, and the average total cost is $8.25. Mrs. Smith should | continue to operate in both the short run and the long run. |
When buyers in a competitive market take the selling price as given, they are said to be | price takers. |
In the long run, when price is greater than average total cost, some firms in a competitive market will choose to enter the market. True or false? | TRUE |
A firm is currently producing 100 units/day. The manager reports that producing the 100th unit costs the firm $5. The firm can sell the 100th unit for $5. The firm should continue to produce 100 units in order to maximize its profits. True or false? | TRUE |
The Doris Dairy Farm sells milk to a dairy broker in Prairie du Chien, WI. Because the market for milk is generally considered to be competitive, the Doris Dairy Farm does not | choose the price at which it sells its milk. |
The entry of new firms into a competitive market will | increase market supply and decrease market price. |
In competitive markets, firms that raise their prices are typically rewarded with larger profits. True or false? | FALSE |
A firm operating in a competitive market will stay in business in the short run so long as the market price exceeds the firm's average total cost; otherwise, the firm will shut down. True or false? | FALSE |
Suppose a certain competitive firm is producing Q=500 units of output. The marginal cost of the 500th unit is $17, and the average total cost of producing 500 units is $12. The firm sells its output for $20. At Q=500, the firm's profits equal | $4,000 |
Suppose that a firm operating in perfectly competitive market sells 400 units of output at a price of $4 each. Which of the following statements is correct? | marginal revenue equals $4 and Total revenue equals $1,600 |
A firm is currently producing 100 units/day. The manager reports that producing the 100th unit cost the firm $5. The firm can sell the 100th unit for $4.75. The firm should continue to produce 100 units in order to maximize its profits (or minimize loss) | FALSE |
Demand curve is $4 each across the board, quantity can change. A firm operating in a competitive market maximizes total revenue by producing | as many units as possible. |
In the short run, a firm operating in a competitive industry will shut down if price is | less than average variable cost. |