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U.S. Automobile Type Industry
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Oligopoly
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Agriculture type industry
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Most close pure competition
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Oligopoly
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Clear-cut mutual interdependence with respect to price-output policies
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Pure monopoly
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Entry of new firms the most difficult; one firm industry; downward sloping demand curve
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Monopolistic competition
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Little percentage of total market for a differentiates product
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Pure competition industry
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Very large number of sellers producing a standardized product; marginal revenue is a straight line, parallel to the horizontal axis (equal price); price x quantity sold
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A competitive firm in the short run can determine the profit-maximizing (or loss-minimizing) output by equating:
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Marginal revenue and marginal cost
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Purely competitive seller is:
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a "price taker"
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The demand schedule or curve confronted by the individual purely competitive firm is:
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Perfectly elastic (horizontal)
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Economic profit occurs when:
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Total revenue exceeds total cost
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Break-even point
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Total revenue and total cost are equal;
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With respect to the pure monopolist's demand curve it can be said that:
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Price exceeds marginal revenue at all outputs greater than 1; downsloping
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The marginal revenue curve for a monopolist:
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Becomes negative when output increases beyond some particular level
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MR = MC rule applies
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To firms in all types of industries; to both pure monopoly and pure competition
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If a purely competitive firm shuts down in the short run:
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It will realize a loss equal to its total fixed costs
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A purely competitive firm should produce in the short run if its total revenue is sufficient to cover its:
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Total variable costs
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The practice of price discrimination is associated with pure monopoly because:
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Monopolists have considerable ability to control output and price
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The price is committing pure monopolist will attempt to charge each buyer:
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The maximum price each would be willing to pay
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Price discrimination is:
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Only illegal if used to lesson or eliminate competition
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ATC = MC
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Economic profits will be zero
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Pure monopoly
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A single firm producing a product for which there are no close substitutes; "price makers"