Model Questions Peter Barth Economics 112 – Fall 2001 1. Which form of business organization is the most common in the United States? a. b. c. d. e. sole proprietorship** partnership corporation nonprofit organization S-corporation 2. All of the following are advantages of partnerships except one. Which is the exception? a. b. c. d. e. they are relatively easy to start their profits are taxed once as personal income their liability is limited by each partner's share of the business ** a greater opportunity for specialization by the owners a continuation of the firm if one partner dies 3. Owners of corporations are referred to most frequently as a. b. c. d. e. entrepreneurs lien holders limited partners managers stockholders ** 4. Stockholders share in the profits of a corporation a. b. c. d. e. in proportion to their years of stock ownership in proportion to their ownership of stock** equally regardless of number of shares owned only if they participate in firm management decisions only if they attend stockholders' meetings 5. Which of the following accounts for the largest source of revenue for the federal government? a. b. c. d. e. sales tax federal property tax personal income tax** corporate income tax borrowing 6. The second largest source of tax revenue for the federal government is a. b. c. d. e. payroll taxes ** the personal income tax the corporate income tax excise taxes the sales tax 7. The largest source of federal government revenue is a. b. c. d. e. corporate income taxes individual income taxes** payroll taxes sales and excise taxes tariffs on imported goods and other customs fees and duties 8. Which of the following taxes is most clearly based on the benefitsreceived principle of taxation? a. b. c. d. e. corporate income tax gasoline tax ** personal income tax cigarette tax sales tax 9. Which of the following is not based on the benefits-received principle of taxation? a. b. c. d. e. charging a fee for use of public golf courses differences between residential and out-of-state college tuition ** the excise tax on gasoline toll booths on a highway charging a fee per bag to haul away garbage 10. Which of the following taxes is based on the benefits-received principle? a. b. c. d. e. corporate income taxes personal income taxes property taxes gasoline excise taxes ** user fees that collect the same amount from each person 11. Which of the following is not necessarily a characteristic of perfect competition? a. b. c. d. e. low prices ** a large number of buyers and sellers a homogeneous product perfect information easy entry and exit in the long run 12. Which of the following is likely to be present in a perfectly competitive market? a. b. c. d. e. patents government licenses nonprice competition such as advertising high capital costs firms producing identical products** 13. Assume that an industry is perfectly competitive. In this industry we are likely to find a. b. c. d. e. firms producing a wide variety of products barriers to entry no profit possible in the short run firms that do not advertise ** firms that can choose the price of their products 14. A firm in a perfectly competitive market ** a. b. c. d. e. can raise the price of its product and sell more output can lower the price of its product and sell more output can increase its supply to lower the price can decrease its supply to raise the price accepts the market price for its product 15. The demand curve for the output of a particular perfectly competitive firm is a. b. c. d. e. perfectly inelastic perfectly elastic** unit elastic downward sloping nonlinear 16. Suppose Adam's Apples, a small firm supplying apples in a perfectly competitive market, decides to cut its production in half this year. As a result, the a. b. c. d. e. market price will rise market price will fall market quantity will rise market price will not be affected ** total expenditures on apples will rise 17. Suppose the equilibrium price in a perfectly competitive industry is $100 and a firm in the industry charges $112. Which of the following will happen? a. b. c. d. e. The The The The The firm will not sell any of its output.** firm will sell more output than its competitors. firm's profits will increase. firm's revenue will increase. firm will gradually take over the entire industry. 18. Homogeneous products are a. b. c. d. e. rare and expensive patented and licensed highly differentiated uniform or standardized ** ones without impurities 19. Economic theory assumes that the goal of firms is to maximize a. b. c. d. e. sales total revenue profit ** price utility 20. The total revenue curve for a perfectly competitive firm a. b. c. d. e. is horizontal is vertical has a diminishing slope as output increases has an increasing slope as output increases has a constant slope as output increases** 21. If, as a firm increases its rate of output, total cost increases as well, a. b. c. d. e. profit cannot be maximized revenue cannot be maximized cost cannot be minimized marginal cost is increasing marginal cost is positive** 22. The total revenue curve for a perfectly competitive firm a. b. c. d. e. is a vertical line intersecting the horizontal axis is a horizontal line intersecting the vertical axis starts part way up the vertical axis, then slopes upward in a backwards-S curve is a straight line starting from the origin and sloping upward** starts at the origin, sloping upward at first and then sloping downward 23. If a firm in perfect competition charges the market price of $14 per unit, a. b. c. d. e. its marginal revenue is $14, and its average revenue is less than $14 per unit it will sell no output its average revenue is $14, and its marginal revenue is less than $14 per unit its average revenue is $14, and its marginal revenue is $14 ** its average and marginal revenue are $14 only for the first unit sold 24. Perfectly competitive firms that earn an economic profit in the short run choose the output that a. b. c. d. e. maximizes minimizes maximizes maximizes maximizes total revenue total cost the difference between total revenue and total cost** the difference between total revenue and explicit cost the difference between total revenue and implicit cost 25. The golden rule of profit maximization states that any firm maximizes profit by producing where a. b. c. d. e. demand is unit elastic, and total revenue is greatest price equals average revenue price equals marginal revenue price equals marginal cost marginal cost equals marginal revenue** 26. For a perfectly competitive firm, a. b. c. d. e. P P P P P = = > < < AR AR AR AR AR at at at at at all the all the all levels of output** profit-maximizing quantity only levels of output profit-maximizing quantity only levels of output 27. If average revenue equals average total cost, a. b. c. d. e. total revenue is maximized average revenue is maximized average total cost is minimized economic profit is maximized economic profit is zero ** 28. A firm in a perfectly competitive industry is maximizing profit at Q = 3,000. Then its fixed costs increase. The profit-maximizing output is now a. b. c. d. e. greater than 3,000 and profits decrease less than 3,000 and profits decrease greater than 3,000 and profits are unchanged equal to 3,000 and profits decrease** equal to 3,000 and profits increase 29. If Harry's Blueberries, a perfectly competitive firm, shuts down in the short run, Harry must pay a. b. c. d. e. variable costs but not fixed costs no costs at all variable costs and fixed costs only variable costs only fixed costs** 30. If a perfectly competitive firm is incurring short-run losses, it a. b. c. d. e. then will incur long-run will shut down will continue to operate covered will continue to operate are covered** will raise prices in the losses in the short run if its fixed costs are in the short run if its variable costs short run 31. At its present rate of output, 200 units, a perfectly competitive firm has total costs of $10,000, marginal cost of $38, and fixed costs of $2,000, and it charges the market price of $38 per unit. To maximize profit or minimize loss, this firm should a. b. c. d. e. increase output reduce output but not to zero maintain the present rate of output shut down** raise the price 32. Claude's Copper Clappers sells clappers for $65 each in a perfectly competitive market. At its present rate of output, Claude's marginal cost is $65, average variable cost is $45, and average total cost is $67. To maximize his profit or minimize his loss, Claude should a. b. c. d. e. increase output reduce output but not to zero maintain the present rate of output** shut down raise the price 33. A perfectly competitive firm finds that: Average total cost is $25; Average variable cost is $15; Marginal cost is $20 and increasing; Price of the product is $22. This firm should a. b. c. d. e. produce more output** raise the price of its product reduce production without shutting down shut down (reduce output to zero) do nothing (it is currently maximizing profit) 34. Productive efficiency occurs in markets when a. b. c. d. e. goods are produced at the lowest possible average total cost** goods are produced at the lowest average variable cost goods are produced at the lowest marginal cost goods are produced at the lowest average fixed cost the economy is producing the maximum quantity of goods and services it can 35. Suppose, at its present rate of output, a perfectly competitive firm's marginal revenue exceeds both its marginal cost and average variable cost. To maximize profit, the firm should a. b. c. d. e. lower the price raise the price increase output** reduce output maintain its current rate of output 36. If two perfectly competitive firms produce the same quantity at the market price, then, at that quantity, they must have the same a. b. c. d. e. marginal cost and average total cost marginal cost and average fixed cost average total cost and average fixed cost average fixed cost and average variable cost marginal cost** 37. In long-run equilibrium, a. b. c. d. e. perfectly competitive earn economic profit perfectly competitive earn economic profit perfectly competitive economic profit perfectly competitive no entry occurs in an industry** firms in a decreasing-cost industry can firms in an increasing-cost industry can firms in a constant-cost industry can earn firms can earn only a normal profit increasing-cost perfectly competitive 38. Which of the following is true for a perfectly competitive firm in the long run? a. b. c. d. e. MR MR MC MR MR = = = = = MC = ATC** MC = AFC ATC = AFC MC > ATC MC > AVC 39. Which of the following is not a condition of long-run equilibrium for perfectly competitive firms? a. b. c. d. e. price is price is price is price is economic equal to marginal cost equal to minimum short-run average total cost equal to minimum long-run average cost equal to marginal revenue profit is positive** 40. Allocative efficiency means that a. b. c. d. e. firms have maximized production all mutually beneficial trades have taken place** the next unit sold will increase total surplus producer surplus is maximized no mutually beneficial trades have occurred 41. In the market structure of monopoly, new firms a. b. c. d. e. cannot profitably enter the industry, even in the long run** may freely enter and leave the industry in both the short run and the long run may freely enter and leave the industry in the long run only may freely enter and leave the industry in the short run only have no incentive to enter the industry, even if economic profits are present 42. Which of the following is not considered a barrier to entry? a. b. c. d. e. patents government licenses economies of scale diseconomies of scale** control over essential resources 43. Which of the following describes the market structure of monopoly? a. b. c. d. e. many firms with some control over price, and considerable product differentiation many firms with no control over price, producing identical products with no differentiation a few firms with some control over price, producing similar products which are close substitutes a few firms with no control over price, producing highly differentiated products a single firm producing all of the output for the industry** 44. A natural monopoly results when a firm has a. b. c. d. e. a license a patent official approval to produce a product decreasing average costs over the range of market demand** exclusive use of a natural resource 45. The demand curve faced by a firm with a patent on a marketable product a. b. c. d. e. is horizontal is vertical slopes upward slopes downward** is nonexistent 46. Which of the following is true of marginal revenue for a monopolist that charges a single price? a. b. c. d. e. P = MR because there are no close substitutes for the monopolist's product. P > MR because the monopolist must decrease price on all units sold in order to sell an additional unit.** P < MR because the monopolist must decrease price on all units sold in order to sell an additional unit. AR = MR because there are no close substitutes for the monopolist's product. P = MR only at the profit-maximizing quantity. 47. Suppose that a monopolist must choose between two points on its demand curve: it can sell 100 units for $3, or it can sell 140 for $2. Which of the following is true? a. b. c. d. e. The monopolist is facing elastic demand. The monopolist is facing unit elastic demand. The monopolist is facing inelastic demand.** The monopolist is facing perfectly elastic demand. The elasticity of the demand curve the monopolist faces cannot be determined with the information given. 48. Suppose that a monopolist must choose between two points on its demand curve: it can sell 100 units for $3, or it can sell 150 for $2. Which of the following is true? a. b. c. d. e. The monopolist is facing elastic demand. The monopolist is facing unit elastic demand.** The monopolist is facing inelastic demand. The monopolist is facing perfectly elastic demand. The elasticity of the demand curve the monopolist faces cannot be determined with the information given. 49. A profit-maximizing monopolist never produces along the ________ portion of the demand curve because marginal revenue is ________ there. a. b. c. d. e. elastic; positive elastic; negative inelastic; negative** inelastic; positive inelastic; zero 50. Negative marginal revenue means that a. b. c. d. e. the firm is maximizing its economic profit the firm is maximizing its total revenue total revenue is increasing at an increasing rate as output increases total revenue is increasing at a decreasing rate as output increases total revenue is decreasing as output increases** 51. Which of the following is true at the profit-maximizing quantity for both a perfectly competitive firm and a monopoly? a. b. c. d. e. Price equals marginal cost. Price is greater than marginal cost. Marginal revenue equals marginal cost.** Marginal revenue is less than marginal cost. Marginal revenue is greater than average revenue. 52. A monopolist faces an upward-sloping marginal cost curve. Its profitmaximizing quantity will be a. b. c. d. e. at the minimum point of the marginal cost curve less than the (total) revenue-maximizing quantity** equal to the (total) revenue-maximizing quantity in the unit elastic segment of the demand curve in the inelastic segment of the demand curve 53. In the short run, how will a profit-maximizing monopolist react if its marginal costs suddenly increase? It will a. b. c. d. e. lower price to expand revenue possibilities restrict output to extract a higher price from customers** maintain the current price if profits are still positive increase plant size to lower marginal costs decrease plant size to lower marginal costs 54. You are hired as a production analyst at Monopoly-R-Us and you estimate that, at current output, demand is inelastic and marginal cost is positive. You advise your superiors that they can increase profit by a. b. c. d. e. raising price until demand becomes unit elastic raising price into the elastic range** lowering price until demand becomes unit elastic lowering price into the elastic range reduce output without changing price 55. Firms can earn economic profits even in the long run if a. b. c. d. e. they charge the highest price possible there is a cost-reducing technological change there are significant barriers to entry** marginal revenue equals marginal cost price is less than average variable cost at all rates of output 56. Why would we be likely to observe dentists engaging in price discrimination? a. b. c. d. e. Dental care is expensive. All dentists are basically alike. It is very important to exercise care in choosing a dentist. It is nearly impossible to resell the services of a dentist.** The demand for dentists is very inelastic. 57. A monopolistically competitive firm can raise price somewhat due to a. b. c. d. e. product differentiation** barriers to entry product similarity its homogeneous product high tariffs 58. When firms differentiate their products, they a. b. c. d. e. provide information to consumers with no additional use of productive resources always increase their profits always create real differences among products frequently create artificial or superficial differences among products, thus raising production costs** usually strain the physical capacity of their plants 59. In the short run, Sam Malone's bar, Cheers, a firm in monopolistic competition, is a. b. c. d. e. guaranteed to earn guaranteed to earn guaranteed to earn guaranteed to earn not guaranteed any zero economic profit economic profit an economic loss either zero or positive economic profit level of economic profit** 60. A monopolistically competitive firm is producing an output level where marginal revenue is greater than marginal cost. This firm should ________ quantity and ________ price to increase profit or reduce losses. a. b. c. d. e. increase, increase; decrease; decrease; increase; increase decrease** increase decrease not change 61. In the long run, a monopolistically competitive firm will a. b. c. d. e. produce a greater variety of goods than do firms in other market structures produce a greater output level than would a perfectly competitive firm produce where price equals average total cost** earn an economic profit suffer a loss because of its advertising budget 62. Because of easy entry, monopolistically competitive firms will a. b. c. d. e. produce at the lowest average total cost charge a price equal to marginal cost earn no economic profit in the long run** take advantage of all economies of scale earn no economic profit in the short run 63. An oligopoly is characterized by a. b. c. d. e. few firms, which have control over market price** many firms and some barriers to entry a large number of firms and no barriers to entry a single firm and no barriers to entry a single firm and significant barriers to entry 64. In an oligopoly, the demand curve facing an individual firm depends upon a. b. c. d. e. the the the the the behavior of competing firms** shape of the firm's average total cost curve shape of the firm's marginal cost curve firm's supply curve shape of the firm's average variable cost curve 65. Which of the following is an example of an actual cartel? a. b. c. d. e. the three largest cereal producers in the United States General Motors, Ford, and Chrysler (the "Big Three") the Organization of Petroleum Exporting Countries (OPEC)** the three major U.S. cigarette manufacturers ABC, NBC, and CBS 66. If zinc suppliers are successful in forming an international zinc cartel, they will experience a. b. c. d. e. lower output and higher prices, which discourage the entry of new firms into the industry lower output, higher prices, and the need to organize an effort to prevent the entry of new firms into the industry** higher output and higher prices, which discourage the entry of new firms into the industry higher output, higher prices, and the need to organize an effort to prevent the entry of new firms into the industry none of the above 67. The kinked demand curve theory explains oligopolies in which competitors a. b. c. d. e. ignore all price changes match price increases but not decreases match price decreases but not price increases** match price increases and price decreases match all quality changes 68. In the kinked demand theory, the firm faces a more elastic demand a. b. c. d. e. above the kink because there the firm will not lose many customers to its rivals above the kink because there its customers will be more willing to switch to its rivals' products than they would be below the kink** below the kink because there the firm will not gain many customers from its rivals below the kink because there its customers will be more willing to switch to its rivals' products than they would be above the kink at the kink than at any other place on the demand curve 69. Where an oligopolist's demand curve is kinked, a. b. c. d. e. there is there is there is marginal marginal a gap in the marginal revenue curve** a horizontal marginal revenue curve a similar kink in the marginal revenue curve revenue equals price revenue is zero 70. Firms in oligopoly do not achieve allocative efficiency because a. b. c. d. e. marginal marginal marginal price is price is cost equals marginal revenue cost is greater than marginal revenue cost is less than marginal revenue greater than marginal cost** less than marginal cost 71. The two market structures at the extremes in terms of performance and number of firms are a. b. c. d. e. perfect competition and monopolistic competition pure monopoly and oligopoly perfect competition and pure monopoly** monopolistic competition and oligopoly monopolistic competition and pure monopoly Answer Key Barth Econ. 112 Fall 2001 Model Questions 1. > a TOPIC: Kinds of Firms MI_5e04 Ch 4 #69 (MC #69) DIF: 1 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. > > > c TOPIC: Kinds of Firms MI_5e04 Ch 4 #73 (MC #73) DIF: 3 e TOPIC: Kinds of Firms MI_5e04 Ch 4 #78 (MC #78) DIF: 1 b TOPIC: Kinds of Firms MI_5e04 Ch 4 #80 (MC #80) DIF: 3 > c TOPIC: Sources of Government Revenue MI_5e04 Ch 4 #136 (MC #136) DIF: 1 > a TOPIC: Sources of Government Revenue MI_5e04 Ch 4 #137 (MC #137) DIF: 3 > b TOPIC: Sources of Government Revenue MI_5e04 Ch 4 #138 (MC #138) DIF: 1 > b TOPIC: Tax Principles and Tax Incidence MI_5e04 Ch 4 #145 (MC #145) DIF: 3 > b TOPIC: Tax Principles and Tax Incidence MI_5e04 Ch 4 #146 (MC #146) DIF: 3 > d TOPIC: Tax Principles and Tax Incidence MI_5e04 Ch 4 #148 (MC #148) DIF: 3 > a TOPIC: Perfectly Competitive Market Structure MI_5e08 Ch 8 #6 (MC #6) DIF: 1 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. > e TOPIC: Perfectly Competitive Market Structure MI_5e08 Ch 8 #13 (MC #13) DIF: 3 > d TOPIC: Perfectly Competitive Market Structure MI_5e08 Ch 8 #16 (MC #16) DIF: 3 > e TOPIC: Perfectly Competitive Market Structure MI_5e08 Ch 8 #17 (MC #17) DIF: 3 > b TOPIC: Demand under Perfect Competition MI_5e08 Ch 8 #27 (MC #27) DIF: 1 > d TOPIC: Demand under Perfect Competition MI_5e08 Ch 8 #30 (MC #30) DIF: 3 > a TOPIC: Demand under Perfect Competition MI_5e08 Ch 8 #36 (MC #36) DIF: 3 > d TOPIC: Demand under Perfect Competition MI_5e08 Ch 8 #41 (MC #41) DIF: 1 > c TOPIC: Short-Run Profit Maximization MI_5e08 Ch 8 #45 (MC #45) DIF: 1 > e TOPIC: Total Revenue minus Total Cost MI_5e08 Ch 8 #47 (MC #47) DIF: 3 > e TOPIC: Total Revenue minus Total Cost MI_5e08 Ch 8 #48 (MC #48) DIF: 5 > d TOPIC: Total Revenue minus Total Cost MI_5e08 Ch 8 #59 (MC #59) DIF: 1 23. 24. 25. 26. 27. 28. 29. 30. 31. 32. 33. > d TOPIC: Marginal Cost Equals Marginal Revenue in Equilibrium MI_5e08 Ch 8 #68 (MC #68) DIF: 1 > c TOPIC: Marginal Cost Equals Marginal Revenue in Equilibrium MI_5e08 Ch 8 #69 (MC #69) DIF: 1 > e TOPIC: Marginal Cost Equals Marginal Revenue in Equilibrium MI_5e08 Ch 8 #78 (MC #78) DIF: 3 > a TOPIC: Economic Profit in the Short Run MI_5e08 Ch 8 #100 (MC #100) DIF: 3 > e TOPIC: Economic Profit in the Short Run MI_5e08 Ch 8 #103 (MC #103) DIF: 5 > d TOPIC: Fixed Costs and Minimizing Losses MI_5e08 Ch 8 #106 (MC #106) DIF: 5 > e TOPIC: Fixed Costs and Minimizing Losses MI_5e08 Ch 8 #111 (MC #111) DIF: 3 > d TOPIC: Fixed Costs and Minimizing Losses MI_5e08 Ch 8 #114 (MC #114) DIF: 3 > d TOPIC: Shutting Down in the Short Run MI_5e08 Ch 8 #141 (MC #141) DIF: 5 > c TOPIC: Shutting Down in the Short Run MI_5e08 Ch 8 #139 (MC #139) DIF: 5 > a TOPIC: Shutting Down in the Short Run MI_5e08 Ch 8 #154 (MC #154) DIF: 5 34. 35. 36. 37. 38. 39. 40. 41. 42. 43. 44. > a TOPIC: Productive Efficiency MI_5e08 Ch 8 #236 (MC #236) DIF: 1 > c TOPIC: The Firm and Industry Short-Run Supply Curves MI_5e08 Ch 8 #163 (MC #163) DIF: 3 > e TOPIC: The Firm and Industry Short-Run Supply Curves MI_5e08 Ch 8 #166 (MC #166) DIF: 5 > e TOPIC: Zero Economic Profit in the Long Run MI_5e08 Ch 8 #190 (MC #190) DIF: 3 > a TOPIC: Zero Economic Profit in the Long Run MI_5e08 Ch 8 #191 (MC #191) DIF: 3 > e TOPIC: Zero Economic Profit in the Long Run MI_5e08 Ch 8 #194 (MC #194) DIF: 3 > b TOPIC: Allocative Efficiency MI_5e08 Ch 8 #243 (MC #243) DIF: 3 a TOPIC: Economies of Scale MI_5e09 Ch 9 #14 (MC #14) DIF: 1 d TOPIC: Economies of Scale MI_5e09 Ch 9 #15 (MC #15) DIF: 1 e TOPIC: Economies of Scale MI_5e09 Ch 9 #16 (MC #16) DIF: 3 d TOPIC: Economies of Scale MI_5e09 Ch 9 #20 (MC #20) DIF: 3 > > > > 45. 46. 47. 48. 49. 50. 51. 52. 53. 54. 55. > d TOPIC: Revenue for the Monopolist MI_5e09 Ch 9 #31 (MC #31) DIF: 3 > b TOPIC: Revenue Schedule MI_5e09 Ch 9 #38 (MC #38) DIF: 3 c TOPIC: Revenue Curves MI_5e09 Ch 9 #61 (MC #61) DIF: 3 b TOPIC: Revenue Curves MI_5e09 Ch 9 #62 (MC #62) DIF: 3 c TOPIC: Revenue Curves MI_5e09 Ch 9 #70 (MC #70) DIF: 1 e TOPIC: Revenue Curves MI_5e09 Ch 9 #73 (MC #73) DIF: 3 c TOPIC: Profit Maximization MI_5e09 Ch 9 #83 (MC #83) DIF: 3 b TOPIC: Profit Maximization MI_5e09 Ch 9 #100 (MC #100) DIF: 3 b TOPIC: Profit Maximization MI_5e09 Ch 9 #120 (MC #120) DIF: 5 b TOPIC: Profit Maximization MI_5e09 Ch 9 #123 (MC #123) DIF: 3 > > > > > > > > > c TOPIC: Long-Run Profit Maximization MI_5e09 Ch 9 #172 (MC #172) DIF: 1 56. 57. 58. 59. 60. 61. 62. 63. 64. 65. 66. > d TOPIC: Conditions for Price Discrimination MI_5e09 Ch 9 #218 (MC #218) DIF: 3 > a TOPIC: Characteristics of Monopolistic Competition MI_5e10 Ch 10 #11 (MC #11) DIF: 1 > d TOPIC: Product Differentiation MI_5e10 Ch 10 #20 (MC #20) DIF: 1 > e TOPIC: Short-Run Profit Maximization or Loss Minimization MI_5e10 Ch 10 #39 (MC #39) DIF: 3 > b TOPIC: Short-Run Profit Maximization or Loss Minimization MI_5e10 Ch 10 #51 (MC #51) DIF: 1 > c TOPIC: Zero Economic Profit in the Long Run MI_5e10 Ch 10 #61 (MC #61) DIF: 3 > c TOPIC: Zero Economic Profit in the Long Run MI_5e10 Ch 10 #64 (MC #64) DIF: 3 > a TOPIC: Varieties of Oligopoly MI_5e10 Ch 10 #127 (MC #127) DIF: 1 > a TOPIC: Varieties of Oligopoly MI_5e10 Ch 10 #130 (MC #130) DIF: 3 > c TOPIC: Models of Oligopoly MI_5e10 Ch 10 #149 (MC #149) DIF: 1 b TOPIC: Collusion MI_5e10 Ch 10 #167 (MC #167) DIF: 3 > 67. 68. 69. 70. 71. > c TOPIC: The Kinked Demand Curve MI_5e10 Ch 10 #196 (MC #196) DIF: 3 > b TOPIC: The Kinked Demand Curve MI_5e10 Ch 10 #203 (MC #203) DIF: 5 > a TOPIC: The Kinked Demand Curve MI_5e10 Ch 10 #206 (MC #206) DIF: 1 > d TOPIC: Comparison of Oligopoly and Perfect Competition MI_5e10 Ch 10 #219 (MC #219) DIF: 1 > c TOPIC: Additional Questions MI_5e10 Ch 10 #222 (MC #222) DIF: 1