Econ160: Chapter 11, Pure Competition in the Long Run

7 February 2024
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The term allocative efficiency refers to:
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the production of the product mix most desired by consumers.
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Entrepreneurs in purely competitive industries:
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innovate to lower operating costs and generate short-run economic profits.
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Refer to the diagram showing the average total cost curve for a purely competitive firm. At the long-run equilibrium level of output, this firm's total revenue:
Refer to the diagram showing the average total cost curve for a purely competitive firm. At the long-run equilibrium level of output, this firm's total revenue:
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is $400.
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Refer to the diagram. At output level Q1:
Refer to the diagram. At output level Q1:
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resources are underallocated to this product and productive efficiency is not realized.
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Long-run competitive equilibrium
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results in zero economic profits.
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The process by which new firms and new products replace existing dominant firms and products is called:
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creative destruction.
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Suppose losses cause industry X to contract and, as a result, the prices of relevant inputs decline. Industry X is:
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an increasing-cost industry.
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Creative destruction is:
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the process by which new firms and new products replace existing dominant firms and products.
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If the long-run supply curve of a purely competitive industry slopes upward, this implies that the prices of relevant resources:
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rise as the industry expands.
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Allocative efficiency occurs whenever:
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it is impossible to produce a net benefit for society by changing the combination of goods and services produced.
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Refer to the diagram. Line (2) reflects the long-run supply curve for:
Refer to the diagram. Line (2) reflects the long-run supply curve for:
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a constant-cost industry.
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Allocative efficiency is achieved when the production of a good occurs where:
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P = MC.
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If production is occurring where marginal cost exceeds price, the purely competitive firm will:
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fail to maximize profit and resources will be overallocated to the product.
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The term productive efficiency refers to:
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the production of a good at the lowest average total cost.
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Refer to the diagram. Line (1) reflects a situation where resource prices:
Refer to the diagram. Line (1) reflects a situation where resource prices:
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increase as industry output expands.
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In a decreasing-cost industry:
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lower demand leads to higher long-run equilibrium prices.
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Creative destruction is least beneficial to:
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workers in the "destroyed" industries.
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Refer to the diagram. Line (2) reflects a situation where resource prices:
Refer to the diagram. Line (2) reflects a situation where resource prices:
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remain constant as industry output expands.
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Refer to the diagram. Line (1) reflects the long-run supply curve for:
Refer to the diagram. Line (1) reflects the long-run supply curve for:
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an increasing-cost industry.
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Assume a purely competitive firm is maximizing profit at some output at which long-run average total cost is at a minimum. Then:
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there is no tendency for the firm's industry to expand or contract.
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Refer to the diagrams, which pertain to a purely competitive firm producing output q and the industry in which it operates. In the long run we should expect:
Refer to the diagrams, which pertain to a purely competitive firm producing output q and the industry in which it operates. In the long run we should expect:
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firms to leave the industry, market supply to fall, and product price to rise.
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The theory of creative destruction was advanced many years ago by:
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Joseph Schumpeter.
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Which of the following outcomes is consistent with a purely competitive market in long-run equilibrium?
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Consumer and producer surplus will be maximized.
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Under what conditions would an increase in demand lead to a lower long-run equilibrium price?
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The firms in the market are part of a decreasing-cost industry.
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When a purely competitive firm is in long-run equilibrium:
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price equals marginal cost.
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Because the equilibrium position of a purely competitive seller entails an equality of price and marginal costs, competition produces an efficient allocation of economic resources.
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True
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Refer to the diagram. If this competitive firm produces output Q, it will:
Refer to the diagram. If this competitive firm produces output Q, it will:
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earn a normal profit.
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A constant-cost industry is one in which:
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resource prices remain unchanged as output is increased.
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Assume that a decline in consumer demand occurs in a purely competitive industry that is initially in long-run equilibrium. We can:
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not compare the original and the new prices without knowing what cost conditions exist in the industry.
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Assume a purely competitive increasing-cost industry is initially in long-run equilibrium and that an increase in consumer demand occurs. After all economic adjustments have been completed, product price will be:
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higher and total output will be larger than originally.
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Assume a purely competitive, increasing-cost industry is in long-run equilibrium. If a decline in demand occurs, firms will:
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leave the industry and price and output will both decline.
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Which of the following is true concerning purely competitive industries?
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In the short run, firms may incur economic losses or earn economic profits, but in the long run they earn normal profits.
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If a purely competitive firm is producing at the MR = MC output level and earning an economic profit, then:
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new firms will enter this market.
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If for a firm P = minimum ATC = MC, then:
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both allocative efficiency and productive efficiency are being achieved.
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Marginal cost is a measure of the alternative goods that society forgoes in using resources to produce an additional unit of some specific product.
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True
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A constant-cost industry is one in which:
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f 100 units can be produced for $100, then 150 can be produced for $150, 200 for $200, and so forth.
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Which of the following statements is correct?
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Economic profits induce firms to enter an industry; losses encourage firms to leave.
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A purely competitive firm is precluded from making economic profits in the long run because:
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of unimpeded entry to the industry.
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Refer to the diagram. If this firm is producing at the profit-maximizing level of output in the short run, then it is achieving productive and allocative efficiency.
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False
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Suppose an increase in product demand occurs in a decreasing-cost industry. As a result:
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the new long-run equilibrium price will be lower than the original long-run equilibrium price.