Suppose there are 8 firms in this industry, each of which has the cost curves previously shown.On the following graph, use the orange points (square symbol) to plot points along the portion of the industry's short-run supply curve thatcorresponds to prices where there is positive output. (Note: You are given more points to plot than you need.) Then, place the black point (plussymbol) on the graph to indicate the short-run equilibrium price and quantity in this market.Note: Dashed drop lines will automatically extend to both axes.10089080 Demand70PRICE (Dollars per shirt)8605040201000+80 160 240 320 400 480 560 640 720 800QUANTITY (Thousands of shirts)At the current short-run market price, firms willIndustry's Short-Run SupplyEquilibriumin the short run. In the long run,? Consider the competitive market for dress shirts. The following graph shows the marginal cost (MC), average total cost (AIC), and average variablecost (AVC) curves for a typical firm in the industry.COSTS (Dollars)PRICE (Dollars per shirt)100908070605040100309020801070Price(Dollars per shirt)152025557085060504030201000For each price in the following table, use the graph to determine the number of shirts this firm would produce in order to maximize its profit. Assumethat when the price is exactly equal to the average variable cost, the firm is indifferent between producing zero shirts and the profit-maximizing0+10quantity. Also, indicate whether the firm will produce, shut down, or be indiferent between the two in the short run. Lasty, determine whether it willmake a profit, suffer a loss, or break even at each price.00MC DDOn the following graph, use the orange points (square symbol) to plot points along the portion of the firm's short-run supply curve that correspondsto prices where there is positive output. (Note: You are given more points to plot than you need.)+10 20OATCAVC20 30 40 50 6060 70QUANTITY (Thousands of shirts)30 40 50☐Quantity(Shirts)070 80 90 10060 20?Produce or Shut Down?80 90 100Profit or Loss?--0-Firm's Short-Run Supply(?)

Suppose there are 8 firms in this industry, each of which has the cost curves previously shown. On the following graph, use the orange points (square symbol) to plot points along the portion of the industry's short-run supply curve that corresponds to prices where there is positive output. (Note: You are given more points to plot than you need.) Then, place the black point (plus symbol) on the graph to indicate the short-run equilibrium price and quantity in this market. Note: Dashed drop lines will automatically extend to both axes. PRICE (Dollars per shirt) 100 90 80 Demand 70 60 50 40 30 20 10 0 0 80 160 240 320 400 480 560 640 720 800 QUANTITY (Thousands of shirts) At the current short-run market price, firms will Industry's Short-Run Supply Equilibrium in the short run. In the long run,

Suppose there are 8 firms in this industry, each of which has the cost curves previously shown. On the following graph, use the orange points (square symbol) to plot points along the portion of the industry's short-run supply curve that corresponds to prices where there is positive output. (Note: You are given more points to plot than you need.) Then, place the black point (plus symbol) on the graph to indicate the short-run equilibrium price and quantity in this market. Note: Dashed drop lines will automatically extend to both axes. PRICE (Dollars per shirt) 100 90 80 Demand 70 60 50 40 30 20 10 0 0 80 160 240 320 400 480 560 640 720 800 QUANTITY (Thousands of shirts) At the current short-run market price, firms will Industry's Short-Run Supply Equilibrium in the short run. In the long run,

ENGR.ECONOMIC ANALYSIS

14th Edition

ISBN:9780190931919

Author:NEWNAN

Publisher:NEWNAN

Chapter1: Making Economics Decisions

Section: Chapter Questions

Problem 1QTC

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Is Consider the daily market for hot dogs in a small city. Suppose that this market is in long-run competitive equilibrium with many hot dog stands in the city, each one selling the same kind of hot dogs. Therefore, each vendor is a price taker and possesses no market power. The following graph shows the demand (D) and supply (S = MC) curves in the market for hot dogs. Place the black point (plus symbol) on the graph to indicate the market price and quantity that will result from competition. (?) PRICE (Dollars per hot dog) 5.0 4.5 4.0 8 3.5 3.0 2 25 e 20 1.5 0.5 + 0 0 10 20 Competitive Market S-MC 30 40 50 60 70 QUANTITY (Hot dogs) 80 90 D 100 + PC Outcome Assume that one of the hot dog vendors successfully lobbies the city council to obtain the exclusive right to sell hot dogs within the city limits. This firm buys up all the rest of the hot dog vendors in the city and operates as a monopoly. Assume that this change doesn't affect demand and that the new monopoly's marginal cost…
For each price in the following table, use the graph to determine the number of lamps this firm would produce in order to maximize its profit. Assume that when the price is exactly equal to the average variable cost, the firm is indifferent between producing zero lamps and the profit-maximizing quantity. Also, indicate whether the firm will produce, shut down, or be indifferent between the two in the short run. Lastly, determine whether it will make a profit, suffer a loss, or break even at each price. Price (Dollars per lamp) 15 20 PRICE (Dollars per lamp 80 RS232 70 26 25 55 70 85 10 588 288 8 COSTS (Dolars) 20 On the following graph, use the orange points (square symbol) to plot points along the portion of the firm's short-run supply curve that corresponds to prices where there is positive output. (Note: You are given more points to plot than you need.) (? 10 0 10 D Quantity (Lamps) 0 0 Either 0 or 45,000 10 60,000 65,000 70,000 MC-D 20 D 20 30 40 50 60 75 NO QUANTITY (Thousands of…
If there were 60 firms in this market, the short-run equilibrium price of titanium would be $________ per kilogram. At that price, firms in this industry would (earn a positive profit, shut down, earn zero profit, operate at a loss). Therefore, in the long run, firms would ( enter, exit, neither enter nor exit) the titanium market. Because you know that perfectly competitive firms earn (positive, zero, negative) economic profit in the long run, you know the long-run equilibrium price must be $_______ per kilogram. From the graph, you can see that this means there will be (20, 40, 60) firms operating in the titanium industry in long-run equilibrium.
6. Short-run perfectly competitive equilibrium Consider a perfectly competitive market for wheat in New York City. There are 90 firms in the industry, each of which has the cost curves shown on the following graph: COST (Cents per bushel) 100 90 80 70 60 50 40 30 20 10 0 ATC 0 5 AVC 10 15 20 25 30 35 40 QUANTITY OF OUTPUT (Thousands of bushels) MC The following graph shows the market demand for wheat. 45 50 ?
Consider the perfectly competitive market for copper. Assume that, regardless of how many firms are in the Industry, every firm in the industry is Identical and faces the marginal cost (MC), average total cost (ATC), and average variable cost (AVC) curves shown on the following graph. COSTS (Dollars per pound) PRICE (Dollars per por 100 90 80 70 60 50 40 30 20 100 10 50 0 80 70 60 50 40 30 20 10 0 The following diagram shows the market demand for copper. 0 Use the orange points (square symbol) to plot the initial short-run industry supply curve when there are 20 firms in the market. (Hint: You can disregard the portion of the supply curve that corresponds to prices where there is no output since this is the Industry supply curve.) Next, use the purple points (diamond symbol) to plat the short-run industry supply curve when there are 30 firms. Finally, use the green points (triangle symbol) to plot the short-run Industry supply curve when there are 40 firms. MC D 0 5 10 ATC H AVC D 0 15…
The blue curve on the following graph represents the demand curve facing a firm that can set its own prices. Use the graph input tool to help you answer the following questions. You will not be graded on any changes you make to this graph. Note: Once you enter a value in a white field, the graph and any corresponding amounts in each grey field will change accordingly. 200 180 160 140 120 100 80 60 40 PRICE (Dollars per unit) + Demand 20 0 01 2 3 4 5 6 7 8 9 10 QUANTITY (Units) Graph Input Tool Market for Goods Quantity Demanded (Units). Demand Price (Dollars per unit). 5 100.00 ?
The following graph plots the market demand curve for ruthenium. Use the orange points (square symbol) to plot the initial short-run industry supply curve when there are 10 firms in the market. (Hint: You can disregard the portion of the supply curve that corresponds to prices where there is no output since this is the industry supply curve.) Next, use the purple points (diamond symbol) to plot the short-run industry supply curve when there are 20 firms. Finally, use the green points (triangle symbol) to plot the short-run industry supply curve when there are 30 firms. PRICE (Dollars per pound) 80 72 64 03 58 Supply (10 firms) 48 Demand Supply (20 firms) 40 32 24 16 8 0 0 120 240 350 480 600 720 840 960 1080 1200 QUANTITY (Thousands of pounds) Supply (30 firms) ? If there were 20 firms in this market, the short-run equilibrium price of ruthenium would be $ would Therefore, in the long run, firms would per pound. At that price, firms in this industry the ruthenium market. Because you…
pshotic 166& 5. Profit maximization and shutting down in the short run Suppose that the market for microwave ovens is a competitive market. The following graph shows the daily cost curves of a firm operating in this market. 100 90 80 ATC 70 60 40 30 AVC 20 10 MC 5 10 15 20 25 30 35 40 45 50 QUANTITY (Thousands of ovens) Σ 50 PRICE (Dollars per oven)
7. Short-run supply and long-run equilibrium Consider the perfectly competitive market for steel. Assume that, regardless of how many firms are in the industry, every firm in the industry is identical and faces the marginal cost (MC), average total cost (ATC), and average variable cost (AVC) curves shown on the following graph. COSTS (Dollars per ton) 100 90 80 70 60 50 40 ATC 30 20 10 + MC AVC 0 0 5 10 15 20 25 30 35 40 45 50 QUANTITY OF OUTPUT (Thousands of tons) The following diagram shows the market demand for steel. ⑦? Use the orange points (square symbol) to plot the short-run industry supply curve when there are 20 firms in the market. (Hint: You can disregard the portion of the supply curve that corresponds to prices where there is no output since this is the industry supply curve.) Next, use the purple points (diamond symbol) to plot the short-run industry supply curve when there are 30 firms. Finally, use the green points (triangle symbol) to plot the short-run industry…
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