ENGR.ECONOMIC ANALYSIS
14th Edition
ISBN: 9780190931919
Author: NEWNAN
Publisher: Oxford University Press
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- Suppose that the perfectly competitive tuna Industry is In long-run equilibrium at a price of $3 per can of tuna and a quantity of 600 million cans per year. Suppose the Surgeon General Issues a report saying that eating tuna is bad for your health. The Surgeon General's report will cause consumers to demand Shift the supply curve, the demand curve, or both on the following diagram to illustrate these short-run effects of the Surgeon General's announcement. Note: Select and drag one or both of the curves to the desired position. Curves will snap into position, so if you try to move a curve and it snaps back to its original position, just drag it a little farther. Supply X Demand 400 600 800 QUANTITY (Millions of cans) 0 0 In the long run, some firms will respond by 5 0 200 0 200 Demand 1000 Shift the supply curve, the demand curve, or both on the following diagram to Illustrate both the short-run effects of the Surgeon General's announcement and the new long-run equilibrium after firms…arrow_forwardthe orange square points on the marginal cost curve from low to high(16,12) (24,20),(30,36),(32,44),(34,52),(38,72)arrow_forwardLasguns are produced by identical firms in a perfectly competitive market. Each firm's Total Cost function is TC=579+12q+q^2 and Marginal Cost function is MC=12+2q. What quantity does each firm produce in the long-run equilibrium?arrow_forward
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- After serving as President of the United States for eight years, Dena has retired from politics and has decided to become a wheat farmer. The market for wheat is perfectly competitive and the current market price for wheat is $10 per bushel. Dena is currently producing 8 bushels (Dena can only produce this good in whole units). Her total cost at 8 units of output is $88 and her variable cost at 8 units of output is $64. Dena knows that if she produces a 9th unit her total cost will become $97, and if she produces a 10th unit her total cost will become $110. Dena’s goal is to maximize her profits. Based on this information, identify whether each of the following would be true or false and briefly explain your reasoning. Dena is currently losing money in the short-run and she would be better off if she shutdown and produced zero. Dena is not currently profit maximizing at 8 units of output and she could increase her profits if she expanded output by one unit. Dena would increase her…arrow_forwardpshotic 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)arrow_forward7. 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…arrow_forward
- Long Run Equilibrium Consider a perfect competitive market with n identical firms. The cost functions of an individual firm are: The market demand is given by TC=q³ - 4q² + 74q MC=3q² - 8q+74. P= 120-Q a) In the above space draw two graphs one for the market and one for the firm to show the long run equilibrium b) In the long run, each firm will produce q.. i.e. the firm is operating at its minimum c) The long run equilibrium price must be P=. d) Thus the total amount purchased will be Q= e) This means there is enough room for n=. f) No more entry will take place because.. g) Show all equilibrium values on your graph ..firms Because. because..arrow_forwardShow what happens in the short run on both graphs when a new medical study shows soybeans to be highly carcinogenic. On the market graph, you will shift a curve or curves. On the firm's graph, use Price 2 to draw a new price line for the firm. On both graphs, indicate the new equilibrium point with point B. Now, show the changes that get both graphs back to long‑run equilibrium. Use shift(s) for the market and Price 3 for the firm. Indicate the new long‑run equilibrium with point C.arrow_forwardConsider the following figure for a perfectly competitive firm. Price, Costs MC K ATC E F AVC R J P = MR Q1 Q2 Q3 Q4 Q5 Output The figure above shows a perfectly competitive firm. To maximize profits or minimize losses, the firm will produce units and its profit/loss is given by Q3; Area of the rectangle JEKQ Zero ; Area of the rectangle IEKM Q3; Area of the rectangle JIMQ Zero ; Area of the rectangle JEKQarrow_forward
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