5.4 - Industry Adjustments to Increases in Demand 1. In a/an, industry, an increase in demand will result in a new equilibrium price equal to the original equilibrium price (before demand increased). This results in a long-run supply curve that is_ Lesson 2. In a/an_ industry, an increase in demand will result in a new equilibrium price higher than the original equilibrium price (before demand increased). This results in a long-run supply curve that is_ sloping. 3. In a/an industry, an increase in demand will result in a new equilibrium price lower than the original equilibrium price (before demand increased). This results in a long-run supply curve that is sloping.

5.4 - Industry Adjustments to Increases in Demand 1. In a/an, industry, an increase in demand will result in a new equilibrium price equal to the original equilibrium price (before demand increased). This results in a long-run supply curve that is_ Lesson 2. In a/an_ industry, an increase in demand will result in a new equilibrium price higher than the original equilibrium price (before demand increased). This results in a long-run supply curve that is_ sloping. 3. In a/an industry, an increase in demand will result in a new equilibrium price lower than the original equilibrium price (before demand increased). This results in a long-run supply curve that is sloping.

ENGR.ECONOMIC ANALYSIS

14th Edition

ISBN:9780190931919

Author:NEWNAN

Publisher:NEWNAN

Chapter1: Making Economics Decisions

Section: Chapter Questions

Problem 1QTC

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Question 35 Suppose all firms in a perfectly competitive industry have marginal cost of producing q units is MC = 8 + 16q. The industry demand curve is given by P = 488 – Q. The price of the good is $200. What is this firm’s optimal short-run quantity and how many firms produce this good in the short run? 12 units and 12 firms 48 units and 24 firms 192 units and 24 firms 12 units and 24 firms
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Suppose that the tofu industry is initially operating in long-run equilibrium at a price level of $5 per block of tofu and quantity of 175 million blocks per year. Suppose a leading foodie video blogger raises awareness for a scholarly article that links tofu consumption to premature hair loss and unhealthy skin. The viral video is expected to cause consumers to demand tofu at every price. In the short run, firms will respond by .
If there were 10 firms in this market, the short-run equilibrium price of steel would be $______per ton. At that price, firms in this industry would ______(shut down/operate at a loss/ earn a positive profit/ earn zero profit). Therefore, in the long run, firms would__________(enter/ exit/ neither enter nor exit) the steel market. Because you know that competitive firms earn______(zero/ negative/ positive) economic profit in the long run, you know the long-run equilibrium price must be $_____per ton. From the graph, you can see that this means there will be_____(10/20/30) firms operating in the steel industry in long-run equilibrium.
10 The industry in the figure given below on the left consists of many firms with identical cost structures, and the industry experiences constant returns to scale. a. Draw the short-run market supply curve up to 4,000 units of output. Instructions: Use the tool provided (SRMSC) to draw the short-run market supply curve. Plot three points total. b. Draw the long-run market supply curve from zero to 4,000 units of output. Instructions: Use the tool provided (LRMSC) tool to draw the long-run market supply curve. Plot only the endpoints across the entire output range (0 to 4,000). Price ($) 50 40 40 Typical Firm Market Price ($) 50 MC ATC 40 30 AVC 20 20 10 0 10 20 20 30 Quantity 40 40 50 50 30 20 20 10 0 D Tools / LRMSC SRMSC 1000 2000 3000 4000 5000 Quantity
The diagram to the right shows the long-run equilibrium for a competitive market for three different levels of demand (Do, D₁, and D₂). Assume that firms earn a normal level of profits at each market equilibrium. Illustrate the long-run industry supply curve. Using the line drawing tool, draw the long-run industry supply curve. Label this curve 'LRIS'. Note: Carefully follow the instructions above and only draw the required object. C Price per unit ($) 18.00- 16.00- 14.00- 12.00- 10.00- 8.00- 6.00- 4.00- 2.00- 0.00+ 0.0 Po -So 0.4 P₁ P₂ 0.8 1.2 1.6 2.0 Units of output, q (millions) 2.4 2.8
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PRICE (Dollars per pound) 8. Short-run supply and long-run equilibrium Consider the competitive market for rhodium. Assume that no matter how many firms operate in the Industry, every firm is identical and faces the same marginal cost (MC), average total cost (ATC), and average variable cost (AVC) curves plotted in the following graph. COSTS (Dollars per pound) 30,90 100 90 80 70 60 50 40 ATC 30 20 AVC 10 MC 0 0 + 5 10 15 20 25 30 35 40 45 50 QUANTITY (Thousands of pounds) The following graph plots the market demand curve for rhodium. 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…
7. Short-run supply and long-run equilibrium Consider the competitive market for ruthenium. Assume that no matter how many firms operate in the industry, every firm is identical and faces the same marginal cost (MC), average total cost (ATC), and average variable cost (AVC) curves plotted in the following graph. COSTS (Dollars per pound) 100 90 80 70 40 30 20 10 0 0 MC D 5 10 ATC 15, 15 AVC ☐ 15 20 25 30 35 QUANTITY (Thousands of pounds) 40 + 45 50 The following graph plots the market demand curve for ruthenium. (?)
7. Short-run supply and long-run equilibrium 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 kilogram) 80 72 64 56 48 40 32 16 8 0 0 4 MC 8 ATC AVC □ 12 16 20 24 28 32 QUANTITY (Thousands of kilograms) 36 The following diagram shows the market demand for copper. □ 40 ? 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…