EBK PRINCIPLES OF MICROECONOMICS (SECON
2nd Edition
ISBN: 9780393616149
Author: Mateer
Publisher: W.W.NORTON+CO. (CC)
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Question
Chapter 12, Problem 7SP
To determine
Reason for zero economic profit in terms of
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Students have asked these similar questions
In the long run, the positive economic profits earned by the monopolistic competitor will attract a response either from existing firms in the industry or firms outside. As those firms capture the original firm’s profit, what will happen to the original firm’s profit-maximizing price and output levels? Show on a graph
Suppose you manage a local grocery store, and you learn that a very popular national grocery chain is about to open a store just a few miles away. Use the model of monopolistic competition to analyze the impact of this new store on the quantity of output your store should produce (Q) and the price your store should charge (P).
What will happen to your profits? Explain your reasoning in detail.
How and why do profits change?
What could you do to defend your market share against the new store?
Monopolistic competition creates inefficiency because of the
Price
markups and excess capacity. The graph depicts the situation
$100
for a hypothetical monopolistically competitive firm. The
90
curves included in the graph are demand (D), marginal
80
revenue (MR), average total cost (ATC), and marginal cost
ATC
(MC). Use the graph to find the requested values.
70
60
What is the size of the markup on the price?
50
40
markup: $
30
What is the size of the excess capacity?
20
MC
MR
10
units
excess capacity:
20
30
40
50
60
70
80
90
10
100
Quantity
Chapter 12 Solutions
EBK PRINCIPLES OF MICROECONOMICS (SECON
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Similar questions
- The following graph represents a monopolistically competitive firm in long-run equilibrium. Place the black point (cross sign) on the graph to indicate the short-run profit-maximizing price and quantity for this monopolistically competitive company. Next, place the grey star on the graph to indicate the point where the LRAC reaches a minimum. PRICE PER UNIT (Dollars) 500 450 400 350 300 250 200 150 100 50 MC 0 0 50 LRAC MR Demand 100 150 200 250 300 350 400 450 500 QUANTITY (Units) Monopolistically Competitive Outcome Minimum of the LRAC The long-run equilibrium price is $ (Hint: Use the graph to find the numeric value of the price at equilibrium.) The long-run equilibrium quantity is units. The LRAC curve is at its minimum at a quantity of The long-run equilibrium price is units. the marginal cost of producing the equilibrium output. ?arrow_forwardSuppose the accompanying graph depicts a monopolistically competitive firm earning positive economic profits. Please shift the curves to show the effects of long-run competition and then place Point A at the price and quantity at which the firm will produce in the long-run.arrow_forwardEconomicsarrow_forward
- The diagram above represents a monopolistically competitive firm. Answer the questions below. Is this firm operating in the short-run or long-run? How do you know? Calculate this firm’s accounting profit. From the diagram, what is the productively efficient output for this firm? From the diagram, economies of scale are maximized at which output level? Explain. From the diagram, what is the allocatively efficient output for this firm? Explain.arrow_forwardAnswer the question: Aside from advertising, how can monopolistically competitive firms increase demand for their products? What effect would doing this have on the elasticity of the firm’s perceived demand curve? Explain your answers.arrow_forwardPRICE (Dollars per shirt) 100 90 80 70 60 50 40 30 20 10 0 MC 0 10 ATC True Demand MR + 20 30 40 50 60 70 80 QUANTITY (Thousands of shirts) O False 90 100 + Mon Comp Outcome Min Unit Cost Because this market is a monopolistically competitive market, you can tell that it is in long-run equilibrium by the fact that optimal quantity. Furthermore, the quantity the firm produces in long-run equilibrium is average total cost. at the the quantity at which firms minimize True or False: In long-run equilibrium, a monopolistically competitive firm charges a price that is above marginal cost.arrow_forward
- Suppose that a firm produces polo shirts in a monopolistically competitive market. The following graph shows its demand curve, marginal revenue (MR) curve, marginal cost (MC) curve, and average total cost (ATC) curve. Place a black point (plus symbol) on the graph to indicate the long-run monopolistically competitive equilibrium price and quantity for this firm. Next, place a grey point (star symbol) to indicate the minimum average total cost the firm faces and the quantity associated with that cost PRICE (Dollars per shirt) 0 10 20 True O False MR Demand 60 QUANTITY (Thousands of shirts) ATC 40 BO 190 100 Mon Comp Outcorne Because this market is a monopolistically competitive market, you can tell that it is in long-run equilibrium by the fact that optimal quantity for each firm. Furthermore, the quantity the firm produces in long-run equilibrium is Min Unit Cost True or False: This indicates that there is a markup on marginal cost in the market for shirts. at the the efficient scale.arrow_forwardSuppose that a firm produces polo shirts in a monopolistically competitive market. The following graph shows its demand curve, marginal revenue (MR) curve, marginal cost (MC) curve, and average total cost (ATC) curve. Place a black point (plus symbol) on the graph to indicate the long-run monopolistically competitive equilibrium price and quantity for this firm. Next, place a grey point (star symbol) to indicate the minimum average total cost the firm faces and the quantity associated with that cost.arrow_forwardList three key attributes of monopolistic competition.Draw and explain a diagram to show the short-run equilibrium in a monopolistically competitive market. How does this equilibrium differ from that in a perfectly competitive marketarrow_forward
- Suppose that a firm produces baseball bats in a monopolistically competitive market. The following graph shows its demand curve, marginal revenue (MR) curve, marginal cost (MC) curve, and average total cost (ATC) curve. Place a black point (plus symbol) on the graph to indicate the long-run monopolistically competitive equilibrium price and quantity for this firm. Next, place a grey point (star symbol) to indicate the minimum average total cost the firm faces and the quantity associated with that cost. 100 90 80 Mon Comp Outcome 70 Min Unit Cost 50 ATC 40 30 20 10 MC MR Demand 10 20 30 40 50 60 70 80 90 100 QUANTITY (Thousands of bats) Because this market is a monopolistically competitive market, you can tell that it is in long-run equilibrium by the fact that ▼ at the optimal quantity for each firm. Furthermore, the quantity the firm produces in long-run equilibrium is the efficient scale. PRICE (Dollars per bat)arrow_forwardThe following table shows the daily cost data and demand schedule for a typical firm producing board games in a monopolistically competitive market in the short run.arrow_forwardThe graph shows the cost curves, demand curve, and marginal revenue curve of a firm in monopolistic competition. If this firm is maximizing profits, what is the firm's economic profit in millions of dollars? [NOTE: The quantities shown in the graph are in millions. Please enter the number of millions of dollars of economic profit in the statement below.] The firm's economic profit is $ million. 2207 200- 180- 160- 140- 120- 100- 80- 60- 40- 20- Price and cost (dollars per pair) 10+ 0.0 MC MR ATC D 0.5 1.0 1.5 2.0 2.5 Quantity (millions of pairs of Uggs per year) 3.0arrow_forward
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