Consider an oligopolistic industry with N competing firms. Suppose that these firms have no fixed costs and that they all have the same marginal costs. Each firm must choose what quantity to produce independently of each other, and all firms must choose at the same time. If we increase the number of firms in this industry (to for example N+1), the market price a.increases b.decreases c.remains unchanged d.becomes nil e.none of the above

Consider an oligopolistic industry with N competing firms. Suppose that these firms have no fixed costs and that they all have the same marginal costs. Each firm must choose what quantity to produce independently of each other, and all firms must choose at the same time. If we increase the number of firms in this industry (to for example N+1), the market price a.increases b.decreases c.remains unchanged d.becomes nil e.none of the above

Managerial Economics: A Problem Solving Approach

5th Edition

ISBN:9781337106665

Author:Luke M. Froeb, Brian T. McCann, Michael R. Ward, Mike Shor

Publisher:Luke M. Froeb, Brian T. McCann, Michael R. Ward, Mike Shor

Chapter9: Market Structure And Long-run Equilibrium

Section: Chapter Questions

Problem 9.4IP

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Consider an oligopolistic industry with N competing firms. Suppose that these firms have no fixed costs and that they all have the same marginal costs. Each firm must choose what quantity to produce independently of each other, and all firms must choose at the same time. If we decrease the number of firms in this industry (to, for example N−1), the market price Group of answer choices A. increases B. decreases C. remains unchanged D. becomes nil E. none of the above
a) Suppose that the two firms engage in Cournot competition. Find the equilibrium price PNE in the industry, the equilibrium outputs QANE and QBNE, as well as the profits πANE and πBNE, for each firm. b) Suppose the marginal cost for firm B increases from $20 to $140, while everything else remains unchanged. Find the new equilibrium price PNE in the industry, the new equilibrium outputs QANE and QBNE, as well as the new profits πANE and πBNE for each firm. c) Suppose that, in addition to the marginal cost increase from $20 to $140 from sub question b), firm B also has a fixed cost of $2500, out of which $2100 may be recouped if it shuts down; everything else remains unchanged. In this case, what will firm B’s optimal output be? (Justify your answer.) What will firm A’s profit be?
For market failure unit (market power). In the long run graph for monopolistic competition, firms are no longer earning abnormal profit due to low barriers to entry as there are more similar goods on the market, lowering demand, causing them to earn normal profits, however, shouldn't that cause MR to be equal to AR (demand curve), similar to the normal profit in perfect competition? Why is MR less than AR here when it is earning normal profit?
Suppose that a monopolistically competitive restaurant is currently serving 250 meals per day (the output where MR = MC). At that output level, ATC per meal is $10 and consumers are willing to pay $13 per meal. Instructions: Enter your answers as whole numbers. What is the size of this firm's profit or loss? $0 Will there be entry or exit? (Click to select) As a result, will this restaurant's demand curve shift left or right? (Click to select) Assume that the allocatively efficient output level in long-run equilibrium is 210 meals. In long-run equilibrium, suppose that this restaurant charges $11 per meal for 180 meals and that the marginal cost of the 180th meal is $9. What is the size of the firm's profit? $[ Suppose that the allocatively efficient output level in long-run equilibrium is 210 meals. In long-run equilibrium, suppose that this restaurant charges $11 per meal for 180 meals and that the marginal cost of the 180th meal is $9. Is the deadweight loss for this firm greater…
Suppose a country's mobile phone industry is supplied by only two firms (i.e. an oligopoly). Explain how the presence of two firms affects the price elasticity of demand of each firm's output.
In comparing an oligopolistic firm to a perfectly competitive firm it is generally assumed that the price charged by the competitive firm will be higher than the price charged by the oligopolistic firm. True or False (Explain)
1. Two firms (A and B) play a competition game (i.e. Cournot) in which they can choose any Qi from 0 to ¥. The firms have the same cost functions C(Qi) = 10Qi + 0.5Qi2, and thus MCi = 10 + Qi. They face a market demand curve of P = 220 – (QA + QB). a. Assume firm A chooses quantity first. Frim B observes this choice and then chooses its own quantity. What is Frim B's profit as a function of QA and QB? b. Firm B has MRB = 220 – 2QB – QA. What is firm B’s best response to an arbitrary QA selected by firm A? c. Given that firm A expects firm B’s best response, what is firm A’s profit as a function of QA? (Hint: the only unknown variable in the profit function should be QA) d. Firm A has MRA = 150 – 4QA/3. What are the equilibrium QA and QB selected in this game? e. What is the equilibrium price, and how much profit does each firm collect?
In both perfectly competitive and monopolistically competitive markets, when firms are making positive economic profits, other firms willenter until price equals ATC and profits are zero.Despite these similarities, in a perfectly competitive market total surplus is maximized, while ina monopolistically competitive market surplus isnot maximized. Explain this difference.
Because this market is a monopolistically competitive market, you can tell that it is in long-run equilibrium by the fact that P = ATC at the optimal quantity for each firm. Furthermore, the quantity the firm produces in long-run equilibrium is greater than the efficient scale. True or False: This indicates that there is excess capacity in the market True False engines. Monopolistic competition may also be socially inefficient because there are too many or too few firms in the market. The presence of the externality implies that there is too much entry of new firms in the market.
Consider a monopolistically competitive market in long-run equilibrium, and a firm that is in the market. Suppose there is a shortage of a key input, so that every firm's ATC curve shifts up by a fixed amount. If the firm remains in the market in the new long-run equilibrium, what happens to the price at which it sells the good, and what quantity does it sell? Price goes down, quantity stays the same Price goes up, quantity stays the same Price goes down, quantity goes down Price goes up, quantity goes down
What is the primary strategy used by firms in oligopolistic markets to maximize profits?A. Price competitionB. Quantity competitionC. CollusionD. Non-price competition
5. N - Σ Consider a Cournot model in which N firms compete with each other by setting quantities. The market inverse demand function is P = a i=1 qi, where a > 0 and q; is the quantity of firm i. Firm i's cost function is quadratic: q, where c₂ > 0. (a) Suppose N 2. Find the Nash equilibrium. Show which firm produces more in the equilibrium and explain your result. (b) = Suppose N≥ 2 and ci = c for all i. Find the Nash equilibrium. Show whether the firms produce more or less than the constant marginal cost case where the cost function is cqi, with a>c>0.