econ201 final

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2. Which of the following describes the equilibrium condition in a purely competitive labor market? A. MRP = Wage Rate B. MRP > Wage Rate C. Wage Rate > MRC D. Wage Rate < MRC

A

3. A craft union attempts to increase wage rates by: A. equating the MRP and the MRC curves. B. shifting the labor supply curve to the left. C. shifting the labor supply curve to the right. D. shifting the MRP curve to the right.

B

31. If the firms in an oligopolistic industry can establish an effective cartel, the resulting output and price will approximate those of: A. a purely competitive producer. B. a pure monopoly. C. a monopolistically competitive producer. D. an industry with a low four-firm concentration ratio.

b

4. Compensating differences in wages: A. compensate workers for differences in their human capital. B. are wage differences that compensate for differences in the desirability of jobs. C. describe the tendency for the wages of all occupations to adjust to the median level. D. do not exist if jobs have different nonmonetary characteristics.

B

1. A profit-maximizing firm will: A. expand employment if marginal revenue product equals marginal resource cost. B. reduce employment if marginal revenue product equals marginal resource cost. C. reduce employment if marginal revenue product is less than marginal resource cost. D. expand employment if marginal revenue product is less than marginal resource cost.

C

10. A competitive employer is using labor in such an amount that labor's MRP is $10 and its wage rate is $8. This firm: A. should hire more labor because this will increase profits. B. should hire more labor, although this may either increase or decrease profits. C. is currently hiring the profit-maximizing amount of labor. D. is selling its product in an imperfectly competitive market.

a

10. If a monopolist's marginal revenue is $3.00 and its marginal cost is $4.50, it will increase its profits by: A. reducing output and raising price. B. reducing both output and price. C. increasing both price and output. D. raising price while keeping output unchanged.

a

11. A pure monopolist: A. will realize an economic profit if price exceeds ATC at the profit-maximizing/loss-minimizing level of output. B. will realize an economic profit if ATC exceeds MR at the profit-maximizing/loss-minimizing level of output. C. will realize an economic loss if MC intersects the downsloping portion of MR. D. always realizes an economic profit.

a

12. Excess capacity refers to the: A. amount by which actual production falls short of the minimum ATC output. B. fact that entry barriers artificially reduce the number of firms in an industry. C. differential between price and marginal costs which characterizes monopolistically competitive firms. D. fact that most monopolistically competitive firms encounter diseconomies of scale.

a

15. Refer to the above diagram. If this industry is comprised of only one seller, the profit-maximizing price and quantity will be: A. P3 and Q3. B. P1 and Q1. C. P2 and Q2. D. indeterminate on the basis of the information given.

a

16. The MR = MC rule applies: A. to firms in all types of industries. B. only when the firm is a "price taker." C. only to monopolies. D. only to purely competitive firms.

a

20. Which of the following is a unique feature of oligopoly? A. mutual interdependence B. advertising expenditures C. product differentiation D. nonprice competition

a

25. The kinked-demand curve model helps to explain price rigidity because: A. there is a gap in the marginal revenue curve within which changes in marginal cost will not affect output or price. B. demand is inelastic above and elastic below the going price. C. the model assumes firms are engaging in some form of collusion. D. the associated marginal revenue curve is perfectly elastic at the going price.

a

18. The MR = MC rule can be restated for a purely competitive seller as P = MC because: A. each additional unit of output adds exactly its price to total revenue. B. the firm's average revenue curve is downsloping. C. the market demand curve is downsloping. D. the firm's marginal revenue and total revenue curves will coincide.

a

19. Oligopolistic industries are characterized by: A. a few dominant firms and substantial entry barriers. B. a few dominant firms and no barriers to entry. C. a large number of firms and low entry barriers. D. a few dominant firms and low entry barriers.

a

2. Marginal revenue product measures the: A. amount by which the extra production of one more worker increases a firm's total revenue. B. decline in product price that a firm must accept to sell the extra output of one more worker. C. increase in total resource cost resulting from the hire of one extra unit of a resource. D. increase in total revenue resulting from the production of one more unit of a product.

a

21. A purely competitive firm should produce in the short run if its total revenue is sufficient to cover its: A. total variable costs. B. total costs. C. total fixed costs. D. marginal costs.

a

22. Other things equal, in which of the following cases would economic profit be the greatest? A. an unregulated monopolist which is able to engage in price discrimination B. an unregulated, nondiscriminating monopolist C. a regulated monopolist charging a price equal to average total cost D. a regulated monopolist charging a price equal to marginal cost

a

23. The kinked-demand curve of an oligopolist is based on the assumption that: A. competitors will follow a price cut but ignore a price increase. B. competitors will match both price cuts and price increases. C. competitors will ignore a price cut but follow a price increase. D. there is no product differentiation.

a

24. The kinked-demand curve describes a situation in which an oligopolist will be: A. interested in maintaining the going price unless there is a rather large change in costs. B. anxious to either increase or lower price. C. anxious to increase price but not to lower price. D. anxious to lower price but not to increase price.

a

28. Refer to the above diagram. The profit-maximizing output: A. is n. B. is k. C. is h. D. cannot be determined from the information given.

a

29. Refer to the above diagram. At the profit-maximizing output, total profit is: A. efbc. B. fgab. C. egac. D. 0fbn.

a

30. Three major means of collusion by oligopolists are: A. cartels, tacit understandings, and price leadership. B. market sharing, mutual interdependence, and product differentiation. C. cartels, kinked-demand pricing, and product differentiation. D. tacit understandings, P = MC pricing, and mutual interdependence.

a

35. Which of the following statements is correct? A. Economic profits induce firms to enter an industry; losses encourage firms to leave. B. Economic profits induce firms to leave an industry; profits encourage firms to leave. C. Economic profits and losses have no significant impact on the growth or decline of an industry. D. Normal profits will cause an industry to expand.

a

4. The purely competitive employer of resource A will maximize the profits from A by equating the: A. price of A with the MRP of A. B. marginal productivity of A with the MRC of A. C. marginal productivity of A with the price of A. D. price of A with the MRC of A.

a

6. A competitive employer should hire additional labor as long as: A. the MRP exceeds the wage rate. B. the wage rate is less than MP. C. average product exceeds MP. D. MC exceeds MR.

a

6. Which of the following is not a basic characteristic of pure competition? A. considerable nonprice competition B. no barriers to the entry or exodus of firms C. a standardized or homogeneous product D. a large number of buyers and sellers

a

8. Which of the following is characteristic of a purely competitive seller's demand curve? A. Price and marginal revenue are equal at all levels of output. B. Average revenue is less than price. C. Its elasticity coefficient is 1 at all levels of output. D. It is the same as the market demand curve.

a

1. When economists say that the demand for labor is a derived demand, they mean that it is: A. dependent on government expenditures for public goods and services. B. related to the demand for the product or service labor is producing. C. based on the desire of businesses to exploit labor by paying below equilibrium wage rates. D. based on the assumption that workers are trying to maximize their money incomes.

b

11. The demand curve in a purely competitive industry is ______, while the demand curve to a single firm in that industry is ______. A. perfectly inelastic, perfectly elastic B. downsloping, perfectly elastic C. downsloping, perfectly inelastic D. perfectly elastic, downsloping

b

12. A perfectly elastic demand curve implies that the firm: A. must lower price to sell more output. B. can sell as much output as it chooses at the existing price. C. realizes an increase in total revenue which is less than product price when it sells an extra unit. D. is selling a differentiated (heterogeneous) product.

b

12. A pure monopolist's short-run profit-maximizing or loss-minimizing position is such that price: A. equals marginal revenue. B. may be greater or less than ATC. C. will always equal ATC. D. always exceeds ATC.

b

13. A profit-maximizing monopolist will set its price: A. as far above ATC as possible. B. along the elastic portion of its demand curve. C. where the marginal cost curve intersects the demand curve. D. as close as possible to the minimum point of ATC.

b

13. When a monopolistically competitive firm is in long-run equilibrium: A. production takes place where ATC is minimized. B. marginal revenue equals marginal cost and price equals average total cost. C. normal profit is zero and price equals marginal cost. D. economic profit is zero and price equals marginal cost.

b

14. Other things equal, if more firms enter a monopolistically competitive industry: A. the demand curves facing existing firms would shift to the right. B. the demand curves facing existing firms would shift to the left. C. the demand curves facing existing firms would become less elastic. D. losses would necessarily occur.

b

17. Economic profit in the long run is: A. possible for both a pure monopoly and a pure competitor. B. possible for a pure monopoly, but not for a pure competitor. C. impossible for both a pure monopolist and a pure competitor. D. only possible when barriers to entry are nonexistent.

b

17. In the short run the individual competitive firm's supply curve is that segment of the: A. average variable cost curve lying below the marginal cost curve. B. marginal cost curve lying above the average variable cost curve. C. marginal revenue curve lying below the demand curve. D. marginal cost curve lying between the average total cost and average variable cost curves.

b

18. In monopolistically competitive markets resources are: A. overallocated because long-run equilibrium occurs where price exceeds marginal cost. B. underallocated because long-run equilibrium occurs where price exceeds marginal cost. C. overallocated because long-run equilibrium occurs where marginal cost exceeds price. D. underallocated because long-run equilibrium occurs where marginal cost exceeds price.

b

19. A purely competitive firm's short-run supply curve is: A. perfectly elastic at the minimum average total cost. B. upsloping and equal to the portion of the marginal cost curve that lies above the average variable cost curve. C. upsloping and equal to the portion of the marginal cost curve that lies above the average total cost curve. D. upsloping only when the industry has constant costs.

b

2. A purely monopolistic industry: A. has no entry barriers. B. has a downward sloping demand curve. C. produces a product or service for which there are many close substitutes. D. earns only a normal profit in the long run.

b

2. In which of the following market structures is there clear-cut mutual interdependence with respect to price-output policies? A. pure monopoly B. oligopoly C. monopolistic competition D. pure competition

b

21. Mutual interdependence means that each oligopolistic firm: A. faces a perfectly elastic demand for its product. B. must consider the reactions of its rivals when it determines its price policy. C. produces a product identical to those of its rivals. D. produces a product similar but not identical to the products of its rivals.

b

23. A firm finds that at its MR = MC output, its TC = $1,000, TVC = $800, TFC = $200, and total revenue is $900. This firm should: A. shut down in the short run. B. produce because the resulting loss is less than its TFC. C. produce because it will realize an economic profit. D. liquidate its assets and go out of business.

b

23. If a monopolist engages in price discrimination, it will: A. realize a smaller profit. B. charge a higher price where individual demand is inelastic and a lower price where individual demand is elastic. C. produce a smaller output than when it did not discriminate. D. charge a competitive price to all its customers.

b

24. The lowest point on a purely competitive firm's short-run supply curve corresponds to: A. the minimum point on its ATC curve. B. the minimum point on its AVC curve. C. the minimum point on its AFC curve. D. the minimum point on its MC curve.

b

25. On a per unit basis economic profit can be determined as the difference between: A. marginal revenue and product price. B. product price and average total cost. C. marginal revenue and marginal cost. D. average fixed cost and product price.

b

26. The kinked-demand curve model of oligopoly: A. assumes a firm's rivals will ignore a price cut but match a price increase. B. embodies the possibility that changes in unit costs will have no effect on equilibrium price and output. C. assumes a firm's rivals will match any price change it may initiate. D. assumes a firm's rivals will ignore any price change it may initiate.

b

29. Cartels are difficult to maintain in the long run because: A. they are illegal in all industrialized countries. B. individual members may find it profitable to cheat on agreements. C. it is more profitable for the industry to charge a lower price and produce more output. D. entry barriers are insignificant in oligopolistic industries

b

3. The marginal revenue product schedule is: A. the same whether the firm is selling in a purely competitive or imperfectly competitive market. B. the firm's resource demand schedule. C. the firm's resource supply schedule. D. upsloping.

b

33. If a purely competitive firm is producing at the MR = MC output level and earning an economic profit, then: A. the selling price for this firm is above the market equilibrium price. B. new firms will enter this market. C. some existing firms in this market will leave. D. there must be price fixing by the industry's firms.

b

36. When a purely competitive firm is in long-run equilibrium: A. marginal revenue exceeds marginal cost. B. price equals marginal cost. C. total revenue exceeds total cost. D. minimum average total cost is less than the product price.

b

37. Allocative efficiency is achieved when the production of a good occurs where: A. P = minimum ATC. B. P = MC. C. P = minimum AVC. D. total revenue is equal to TFC.

b

4. An industry comprised of a small number of firms, each of which considers the potential reactions of its rivals in making price-output decisions is called: A. monopolistic competition. B. oligopoly. C. pure monopoly. D. pure competition.

b

41. The above diagram portrays: A. a competitive firm that should shut down in the short run. B. the equilibrium position of a competitive firm in the long run. C. a competitive firm that is realizing an economic profit. D. the loss-minimizing position of a competitive firm in the short run.

b

5. The MRP curve for labor: A. intersects the firm's labor demand curve from above. B. is the firm's labor demand curve. C. lies below the firm's labor demand curve. D. lies above the firm's labor demand curve.

b

7. The demand schedule or curve confronted by the individual purely competitive firm is: A. relatively elastic, that is, the elasticity coefficient is greater than unity. B. perfectly elastic. C. relatively inelastic, that is, the elasticity coefficient is less than unity. D. perfectly inelastic.

b

9. If a firm in a purely competitive industry is confronted with an equilibrium price of $5, its marginal revenue: A. may be either greater or less than $5. B. will also be $5. C. will be less than $5. D. will be greater than $5.

b

9. In the long run a pure monopolist will maximize profits by producing that output at which marginal cost is equal to: A. average total cost. B. marginal revenue. C. average variable cost. D. average cost.

b

9. Marginal resource cost is: A. the increase in total resource cost associated with the production of one more unit of output. B. the increase in total resource cost associated with the hire of one more unit of the resource. C. total resource cost divided by the number of inputs employed. D. the change in total revenue associated with the employment of one more unit of the resource.

b

1. Assume for a competitive firm that MC = AVC at $12, MC = ATC at $20, and MC = MR at $16. This firm will: A. realize a profit of $4 per unit of output. B. maximize its profit by producing in the short run. C. minimize its losses by producing in the short run. D. shut down in the short run

c

1. Monopolistic competition is characterized by a: A. few dominant firms and low entry barriers. B. large number of firms and substantial entry barriers. C. large number of firms and low entry barriers. D. few dominant firms and substantial entry barriers.

c

1. Pure monopoly means: A. any market in which the demand curve to the firm is downsloping. B. a standardized product being produced by many firms. C. a single firm producing a product for which there are no close substitutes. D. a large number of firms producing a differentiated product.

c

10. In the long-run, the price charged by a monopolistically competitive firm seeking to maximize profit will: A. be less than both MC and ATC. B. exceed ATC, but equal MC. C. exceed MC, but equal ATC. D. exceed both MC and ATC.

c

10. Price is constant or given to the individual firm selling in a purely competitive market because: A. the firm's demand curve is downsloping. B. of product differentiation reinforced by extensive advertising. C. each seller supplies a negligible fraction of total supply. D. there are no good substitutes for its product.

c

11. For a firm selling its product in a purely competitive market, the marginal revenue product of labor can be found by: A. adding marginal product to total product as one more unit of labor is employed. B. adding marginal revenue to total product as one more unit of labor is employed. C. multiplying marginal product by product price. D. dividing marginal product by product price.

c

14. A competitive firm in the short run can determine the profit-maximizing (or loss-minimizing) output by equating: A. price and average total cost. B. price and average fixed cost. C. marginal revenue and marginal cost. D. price and marginal revenue.

c

14. Refer to the above diagram. If this industry is purely competitive, the profit-maximizing price and quantity will be: A. P3 and Q3. B. P1 and Q1. C. P2 and Q2. D. indeterminate on the basis of the information given.

c

16. Inefficiencies occur under monopolistic competition because: A. each firm's demand curve becomes more elastic as we move down the curve. B. each firm's marginal revenue curve coincides with its demand curve. C. each firm's downsloping demand curve is tangent to the ATC curve in the long run. D. entry barriers greatly restrict the entry of new firms.

c

17. A significant benefit of monopolistic competition compared with pure competition is: A. less likelihood of X-inefficiency. B. improved resource allocation. C. greater product variety. D. stronger incentives to achieve economies of scale.

c

18. Confronted with the same unit cost data, a monopolistic producer will charge: A. the same price and produce the same output as a competitive firm. B. a higher price and produce a larger output than a competitive firm. C. a higher price and produce a smaller output than a competitive firm. D. a lower price and produce a smaller output than a competitive firm.

c

2. Nonprice competition refers to: A. competition between products of different industries, for example, competition between aluminum and steel in the manufacture of automobile parts. B. price increases by a firm that are ignored by its rivals. C. advertising, product promotion, and changes in the real or perceived characteristics of a product. D. reductions in production costs that are not reflected in price reductions.

c

20. Price discrimination refers to: A. selling a given product for different prices at two different points in time. B. any price above that which is equal to a minimum average total cost. C. the selling of a given product at different prices that do not reflect cost differences. D. the difference between the prices a purely competitive seller and a purely monopolistic seller would charge.

c

20. Suppose you find that the price of your product is less than minimum AVC. You should: A. minimize your losses by producing where P = MC. B. maximize your profits by producing where P = MC. C. close down because, by producing, your losses will exceed your total fixed costs. D. close down because total revenue exceeds total variable cost.

c

22. Suppose an oligopolistic producer assumes its rivals will ignore a price increase but match a price cut. In this case the firm perceives its: A. demand curve as being of unit elasticity throughout. B. supply curve as kinked, being steeper below the going price than above. C. demand curve as kinked, being steeper below the going price than above. D. demand curve as kinked, being steeper above the going price than below.

c

27. If at the MC = MR output, AVC exceeds price: A. new firms will enter this industry. B. the firm should produce the MC = MR output and realize an economic profit. C. the firm should shut down in the short run. D. the firm should expand its plant.

c

27. OPEC provides an example of: A. a tacit understanding. B. noncollusive oligopoly. C. an international cartel. D. a monopolistically competitive industry.

c

28. Oligopolistic firms engage in collusion to: A. minimize unit costs of production. B. realize allocative efficiency, that is, the P = MC level of output. C. earn greater profits. D. increase production.

c

3. A monopolistically competitive industry combines elements of both competition and monopoly. The monopoly element results from: A. the likelihood of collusion. B. high entry barriers. C. product differentiation. D. mutual interdependence in decision making.

c

3. Pure monopolists may obtain economic profits in the long run because: A. of advertising. B. marginal revenue is constant as sales increase. C. of barriers to entry. D. of rising average fixed costs.

c

30. In a purely competitive industry: A. there will be no economic profits in either the short run or the long run. B. economic profits may persist in the long run if consumer demand is strong and stable. C. there may be economic profits in the short run, but not in the long run. D. there may be economic profits in the long run, but not in the short run.

c

31. The short-run supply curve for a purely competitive industry can be found by: A. multiplying the AVC curve of the representative firm by the number of firms in the industry. B. adding horizontally the AVC curves of all firms. C. summing horizontally the segments of the MC curves lying above the AVC curve for all firms. D. adding horizontally the immediate market period supply curves of each firm.

c

38. Resources are efficiently allocated when production occurs where: A. marginal cost equals average variable cost. B. price is equal to average revenue. C. price is equal to marginal cost. D. price is equal to average variable cost.

c

39. The term productive efficiency refers to: A. any short-run equilibrium position of a competitive firm. B. the production of the product-mix most desired by consumers. C. the production of a good at the lowest average total cost. D. fulfilling the condition P = MC.

c

4. For an imperfectly competitive firm: A. total revenue is a straight, upsloping line because a firm's sales are independent of product price. B. the marginal revenue curve lies above the demand curve because any reduction in price applies to all units sold. C. the marginal revenue curve lies below the demand curve because any reduction in price applies to all units sold. D. the marginal revenue curve lies below the demand curve because any reduction in price applies only to the extra unit sold.

c

4. The monopolistic competition model predicts that: A. allocative efficiency will be achieved. B. productive efficiency will be achieved. C. firms will engage in nonprice competition. D. firms will realize economic profits in the long run.

c

40. If for a firm P = minimum ATC = MC, then: A. neither allocative efficiency nor productive efficiency is being achieved. B. productive efficiency is being achieved, but allocative efficiency is not. C. both allocative efficiency and productive efficiency are being achieved. D. allocative efficiency is being achieved, but productive efficiency is not.

c

42. Which of the following conditions is true for a purely competitive firm in long-run equilibrium? A. P > MC = minimum ATC. B. P > MC > minimum ATC. C. P = MC = minimum ATC. D. P < MC < minimum ATC.

c

5. A purely competitive seller is: A. both a "price maker" and a "price taker." B. neither a "price maker" nor a "price taker." C. a "price taker." D. a "price maker."

c

5. The demand curve of a monopolistically competitive producer is: A. less elastic than that of either a pure monopolist or a pure competitor. B. less elastic than that of a pure monopolist, but more elastic than that of a pure competitor. C. more elastic than that of a pure monopolist, but less elastic than that of a pure competitor. D. more elastic than that of either a pure monopolist or a pure competitor.

c

6. A monopolistically competitive firm's marginal revenue curve: A. is downsloping and coincides with the demand curve. B. coincides with the demand curve and is parallel to the horizontal axis. C. is downsloping and lies below the demand curve. D. does not exist because the firm is a "price maker."

c

7. For a pure monopolist marginal revenue is less than price because: A. the monopolist's demand curve is perfectly elastic. B. the monopolist's demand curve is perfectly inelastic. C. when a monopolist lowers price to sell more output, the lower price applies to all units sold. D. the monopolist's total revenue curve is linear and slopes upward to the right.

c

7. In the short-run, a profit-maximizing monopolistically competitive firm sets it price: A. equal to marginal revenue. B. equal to marginal cost. C. above marginal cost. D. below marginal cost.

c

8. A profit-maximizing firm employs resources to the point where: A. MRC = MP. B. Resource price equals product price. C. MRP = MRC. D. MP = product price.

c

9. Monopolistically competitive firms: A. realize normal profits in the short run but losses in the long run. B. incur persistent losses in both the short run and long run. C. may realize either profits or losses in the short run, but realize normal profits in the long run. D. persistently realize economic profits in both the short run and long run.

c

11. In the long-run, economic theory predicts that a monopolistically competitive firm will: A. earn an economic profit. B. realize all economies of scale. C. equate price and marginal cost. D. have excess production capacity.

d

12. For a firm selling its product in an imperfectly competitive market, the marginal revenue product of labor can be found by: A. adding marginal product to total product as one more unit of labor is employed. B. adding marginal revenue to total product as one more unit of labor is employed. C. multiplying marginal product by product price. D. multiplying marginal product by marginal revenue.

d

13. Marginal revenue is the: A. change in product price associated with the sale of one more unit of output. B. change in average revenue associated with the sale of one more unit of output. C. difference between product price and average total cost. D. change in total revenue associated with the sale of one more unit of output.

d

15. A firm reaches a break-even point (normal profit position) where: A. marginal revenue cuts the horizontal axis. B. marginal cost intersects the average variable cost curve. C. total revenue equals total variable cost. D. total revenue and total cost are equal.

d

15. The economic inefficiencies of monopolistic competition may be offset by the fact that: A. advertising expenditures shift the average cost curve upward. B. available capacity is fully utilized. C. resources are optimally allocated to the production of the product. D. consumers have a number of variations of the product from which to choose.

d

16. The supply curve of a pure monopolist: A. is that portion of its marginal cost curve which lies above average variable cost. B. is the same as that of a purely competitive industry. C. is its average variable cost curve. D. does not exist because prices are not "given" to a monopolist.

d

19. The profit-maximizing output of a pure monopoly is economically inefficient because in equilibrium: A. price equals minimum average total cost. B. marginal revenue equals marginal cost. C. marginal cost exceeds price. D. price exceeds marginal cost.

d

21. A price discriminating pure monopolist will attempt to charge each buyer (or group of buyers): A. different prices to compensate for differences in the characteristics of the product. B. the same price if per unit cost is constant for each unit of the product. C. that price which equals the buyer's marginal cost. D. the maximum price each would be willing to pay.

d

22. In the short run a purely competitive firm will always make an economic profit if: A. P = ATC. B. P > AVC. C. P = MC. D. P > ATC.

d

26. If a purely competitive firm is producing at some level less than the profit-maximizing output, then: A. price is necessarily greater than average total cost. B. fixed costs are large relative to variable costs. C. price exceeds marginal revenue. D. marginal revenue exceeds marginal cost.

d

3. An industry comprised of a very large number of sellers producing a standardized product is known as: A. monopolistic competition. B. oligopoly. C. pure monopoly. D. pure competition.

d

32. In the short run, a purely competitive firm will earn a normal profit when: A. P = AVC. B. P > MC. C. that firm's MR = market equilibrium price. D. P = ATC.

d

32. Product differentiation is present in: A. purely competitive markets only. B. monopolistically competitive markets only. C. oligopolistic markets only. D. both monopolistically competitive and oligopolistic markets.

d

34. Long-run competitive equilibrium: A. is realized only in constant-cost industries. B. will never change once it is realized. C. is not economically efficient. D. results in zero economic profits.

d

5. For a nondiscriminating imperfectly competitive firm: A. the marginal revenue curve lies above the demand curve. B. the demand and marginal revenue curves coincide. C. the demand curve intersects the horizontal axis where total revenue is at a maximum. D. marginal revenue will become zero at that output where total revenue is at a maximum.

d

6. The pure monopolist's demand curve is relatively elastic: A. in the price range where total revenue is declining. B. at all points where the demand curve lies above the horizontal axis. C. in the price range where marginal revenue is negative. D. in the price range where marginal revenue is positive.

d

7. A firm will find it profitable to hire workers up to the point at which their: A. marginal resource cost equals their wage rate. B. wage rate equals product price. C. MP is equal to their MRP. D. marginal resource cost is equal to their MRP.

d

8. In the long-run, the price charged by the monopolistically competitive firm attempting to maximize profits: A. must be less than ATC. B. must be more than ATC. C. may be either equal to ATC, less than ATC, or more than ATC. D. will be equal to ATC.

d

8. The MR = MC rule: A. applies only to pure competition. B. applies only to pure monopoly. C. does not apply to pure monopoly because price exceeds marginal revenue. D. applies both to pure monopoly and pure competition.

d


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