Question
True or False ______ 1. In the theory of perfect competition, price is smaller than marginal revenue. ______ 2. Perfect competitive firm is a price
True or False
______ 1. In the theory of perfect competition, price is smaller than marginal revenue.
______ 2. Perfect competitive firm is a price taker.
______ 3. A monopoly firm always earns economic profit.
______ 4. An increasing-cost industry is an industry in which average total costs decrease as industry output increases.
______ 5. Free entry is the basic reason that monopolistically competitive firms have excess capacity.
Problems
1. Analyze the 4 market models (pure competition, pure monopoly, monopolistic competition, oligopoly) according to the following category:
a. Number of firms,
b. Type of product.
c. Control over price
d. Conditions of entry.
e. Technological improvement
2.Based on the demand and cost data for a pure monopolist given in the table below, answer the following questions
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Output012345
Price ($)1000600 500 400300 200
Total Cost500 520 580 700 1000 1500
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a. Calculate the marginal revenue and marginal cost for this monopolist.
b. How many units of output will the profit-maximizing monopolist produce? At what price?
c. If this is a perfectly discriminating monopolist and he sells 4 units of this product, what is his total revenue?
3. Draw a graph according to the following descriptions, label all the curves you used and indicate the area of economic profit or loss.
a. a purely competitive firm in earning economic profits in the short run.
b. a natural monopoly
c. a monopolistically competitive firm experiencing economic losses in the short run.
d. a monopolistically competitive firm in long run equilibrium.
e. an oligopoly in which the members are behaving in collusion.
4 Assume that a purely competitive firm has the schedule of the average and marginal costs given in the table below
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OUTPUT AFC AVC ATCMC
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1$300 $100 $400 $100
21507522550
31007017060
4757314880
56080140110
65090140140
743103146180
838119156230
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a. At a price of $68, the firm will produce _____ units of output. The firm's economic profit is ________.
b. At a price of $80, the firm will produce ______ units of output. The firm's economic profit is ______.
Will the firm break-even at this price? _____. If not, what will be this firm's break-even price? ______.
Explain why. ______________________________________________________________________
c. At a price of $190, the firm will produce ________ units of output. Will $190 be the long run price for
this firm? _____ Explain your answer. _________________________________________________
If this is not the long run price, what will be the long run price? _____.
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