Microeconomics
21st Edition
ISBN: 9781259915727
Author: Campbell R. McConnell, Stanley L. Brue, Sean Masaki Flynn Dr.
Publisher: McGraw-Hill Education
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Question
Chapter 10.3, Problem 4QQ
To determine
Changes in marginal revenue and marginal cost.
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The competitive firm maximizes its profit by operating at the point where _____ and price is greater than average variable cost.
a. average cost is at a minimum
b. total revenue is at a maximum
c. profit per unit is at a maximum
d. marginal cost equals price
A profit-maximizing firm in a competitive market is currently producing 500 units of output. It has
average revenue of $10, average total cost of $8, and fixed costs of $200. a. What is its profit? b.
What is its marginal cost? c. What is its average variable cost? d. Is the efficient scale of the firm more
than, less than, or exactly 100 units?
i. Calculate the marginal cost, marginal revenue and profit for each unit of production.
ii. How many units should the firm produce to maximise profit?
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- A competitive firm maximizes profit when marginal cost: a. equals the price. b. is less than the price. c. is minimized. d. is greater than the price.arrow_forwardUsing the graph for the questions : A. There are fixed costs of $50 no matter what the output level is. Fill in the fixed cost column B. Fill in the total costs column C. Fill in the marginal costs column D. This is a perfectly compatible firm . The market price for the output they produce is $40/ unit of output. Fill in the marginal revenue column E. Fill in the total revenue column F. Fill in the profit column G. What is the profit maximizing level of outputarrow_forwardA profit-maximizing firm in a competitive market is currently producing 100 units of output. It has average revenue of $10, average total cost of $8, and fixed cost of $200.\a. What is its profit?b. What is its marginal cost?c. What is its average variable cost?d. Is the efficient scale of the firm more than, less than, or exactly 100 units?arrow_forward
- The following figure shows the total cost and total revenue for a firm when it prices its products at $8 and $10. Price A 0 C H F JG 1. total fixed costs are OA. 2. economic profits equal BH. 3. average cost equals DG divided by OG. 4. total cost is minimized at B. TC TRO (P=$10) TR1 (P=$8) Output When the firm is producing the profit-maximizing level of output at a price of $10:arrow_forwardSuppose a car firm's marginal revenue of selling a car is $2,100 and marginal cost of producing a car is $2,150. In this case, producing one more car will... a. increase profit b. decrease profit c. neither increase nor decrease d. not enough infoarrow_forwardConsider the diagram below depicting the revenue and cost conditions faced by a monopolistically competitive firm, and then answer the following questions. $40 $35 $30 MC ATC $25 $20 $17.50 $15 $10 $4.40 $5 3.25 MR Demand 1 3 4 5 6 7 8 9 10 Quantity Price and costs ....arrow_forward
- Firms experience a break even point when a. Total revenue is greater than total cost b. Marginal cost os equal to marginal revenue c. Average fixed cost is equal to average variable cost d. Marginal revenue is zeroarrow_forwardA firm in competitive market has demand and total cost functions as follows: P-2600-100 TC-2.5Q+1000 + 5000 a. What are fixed cost (FC), variable cost (VC), average total cost (ATC) and marginal cost (MC) b. In order to maximize profits, what are price and quantity? Calculate the maximum profitarrow_forwardA firm's faces a constant output price of $5. It produces 37 units and incurs a MC of $3. Which of the following is true? Select all that apply. A. The firm is perfectly competitive because it faces a horizontal straight line demand curve. B. The firm is perfectly competitive because it faces a horizontal straight line Average Revenue graph. C. The firm's marginal revenue is $5. D. The firm's Total Revenue equals $185. E. The firm's Total Cost equals $111.arrow_forward
- Price MC ATC IC MR Quantity a. What area(s) of the graph represent(s) total revenue for this firm if it was profit maximizing? b. What area(s) of the graph represent(s) total cost for this firm if it was profit maximizing? c. What area(s) of the graph represent(s) profits for this firm if it was profit maximizing? d. What area(s) of the graph represent(s) deadweight loss if the firm was profit maximizing?arrow_forwardWhat is true with profit maximization of the firm using the Total Revenue Total Cost approach? PLEASE EXPLAIN A. The only requirement to find the optimal output that maximizes economic profit is that the difference between the total revenue and the total cost is the highest B. The total revenue should be lower than the total cost C. The total revenue should be higher than the total cost D. A and B are correct E. A and C are correctarrow_forwardRevenue and cost (dollars per unit) MC AVC 50 40 30 20 10 10 20 30 40 50 Output (units per day) The above figure illustrates a perfectly competitive firm. If the market price is $40 a unit, to maximize its profit (or minimize its loss) the firm should Select one: a. produce 30 units. b. produce more than 30 units and less than 40 units. c. produce 40 units. d. shut down. e. produce more than 10 and less than 30 units.arrow_forward
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