Microeconomics
10th Edition
ISBN: 9781259655500
Author: David C Colander
Publisher: McGraw-Hill Education
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Chapter 13, Problem 6QE
To determine
Graphical representation of
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The graph shows the marginal cost (MC), average total cost
(ATC), and marginal revenue (MR) curves for a perfectly (or
purely) competitive firm. Note, for such firms, the demand
(D) curve is the same as the MR curve. Answer two
questions, specifying to at least one decimal place.
How many units should this firm produce to maximize profit?
number of units:
What price will the firm receive for each unit at the profit
maximizing level out output?
$
MC/MR
$12
9.7
5.6
D=MR
MC
ATC
6.6
10.2 12
16
Quantity
At what output does a perfectly competitive firm maximize its profit?
when marginal cost equals average fixed cost
when average total cost equals average revenue
when total revenue equals total variable cost
when marginal cost equals marginal revenue
According to marginal analysis, a perfectly competitive firm will produce an output level where what is true about its Marginal Revenue and its Marginal Cost?
Chapter 13 Solutions
Microeconomics
Ch. 13.1 - Prob. 1QCh. 13.1 - Prob. 2QCh. 13.1 - Prob. 3QCh. 13.1 - Prob. 4QCh. 13.1 - Prob. 5QCh. 13.1 - Prob. 6QCh. 13.1 - Prob. 7QCh. 13.1 - Prob. 8QCh. 13.1 - Prob. 9QCh. 13.1 - Prob. 10Q
Ch. 13 - Prob. 1QECh. 13 - Prob. 2QECh. 13 - Prob. 3QECh. 13 - Prob. 4QECh. 13 - Prob. 5QECh. 13 - Prob. 6QECh. 13 - Prob. 7QECh. 13 - Prob. 8QECh. 13 - Prob. 9QECh. 13 - Prob. 10QECh. 13 - Prob. 11QECh. 13 - Prob. 12QECh. 13 - Prob. 13QECh. 13 - Prob. 14QECh. 13 - Prob. 15QECh. 13 - Prob. 16QECh. 13 - Prob. 17QECh. 13 - Prob. 18QECh. 13 - Prob. 19QECh. 13 - Prob. 20QECh. 13 - Prob. 1QAPCh. 13 - Prob. 2QAPCh. 13 - Prob. 3QAPCh. 13 - Prob. 4QAPCh. 13 - Prob. 5QAPCh. 13 - Prob. 1IPCh. 13 - Prob. 2IPCh. 13 - Prob. 3IPCh. 13 - Prob. 4IPCh. 13 - Prob. 5IP
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Similar questions
- A perfectly competitive firm produces the level of output at which MR=MC on the rising portion of the firm’s marginal cost curve. At that output level, it has the following costs and revenues: TC = $830,000 VC = $525,000 TR = $428,000 Given that the firm produces the level of output at which MR=MC, calculate the amount of profit (loss) this firm earns. is it Profit=TR-TC?arrow_forwarddraw marginal cost, marginal revenue, and average total cost curves for a typical perfectly competitive firm in long-run equilibrium and indicate the profit maximizing level of output and total profit for that firm.arrow_forwardWhat is the formula for profit maximization by firm ? Why does this result in the marginal cost curve becoming the same as the supply curve for firms in perfect competition? what is the difference between the short run and long run ? Why does this difference matter in our discussion of firm behavior?arrow_forward
- A perfectly competitive firm produces the level of output at which MR=MC on the rising portion of the firm’s marginal cost curve. At that output level, it has the following costs and revenues: TC = $830,000 VC = $525,000 TR = $428,000 At that optimal level of output, what profit (loss) does the firm earn?arrow_forwardA perfectly competitive industry consists of 700 identical firms, each with a short-run supply curve given by Qs = –20 + 15P. What is the equation for the industry's short-run supply curve?arrow_forwardThe graph below gives marginal costs (MC), average variable costs (AVC), and average total costs (ATC) for a firm. Note that marginal revenue (MR) is not shown. Suppose the firm operates in a perfectly competitive market and acts to maximize its profit. which of the following is/are true? I. At a price of 1.5, the firm will shut down in the short-run. II. At a price of 0.5, the firm will shut down in the short-run. III. At a price of 2.5, the firm will make a positive economic profit. 7 MC АТС AVC 3 2 1 1 Quantity 2. 4. Pricearrow_forward
- In long-run equilibrium, all firms in the industry earn zero economic profit. Why is this true?arrow_forwardIn the long-run equilibrium of a competitive market with identical firms, what are the relationships among price (P), marginal cost (MC), and average total cost (ATC)?arrow_forwardmust each perfectly competitive firm be in equilibrium if the industry is in the long-run equilibrium? why?arrow_forward
- Please help with this question If a competitive firm finds that its average variable cost is decreasing at its current profit maximizing quantity, should the firm increase or decrease output?arrow_forwardThe market for drones is perfectly competitive. Assume for simplicity that fractions of everything, including firms, is possible. We have identical firms, each with a Total Cost curve of TC=712+q^2 and Marginal Cost curve MC=2q. Market demand is Q=895-2P. What is the long-run equilibrium market price? Enter a number only, drop the $ sign.arrow_forwardCanadian red wheat is a normal good, in a perfectly competitive market that is in long-run equilibrium. There occurs a boom in the economy—incomes rise. What effect does this have on short-run equilibrium? Explain concisely the step-by-step process by which the industry returns to long-run equilibrium. Your answer should include the effects on the individual firm's output and profit, as well as any industry-wide adjustments that take place. Show graphically the relationship between the firm and the industry.arrow_forward
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