Market demand for widgets is given by the following equation: -140,000-400P What is the long-run equilibrium profit level per firm? O a. 1500 Ob. 3000 O c. zero d. 5000
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- Firms ill a perfectly competitive market are said to be price takers that is, once the market determines an equilibrium price for the product, firms must accept this price. If you sell a product in a perfectly competitive market, but you are not happy with its price, would you raise the price, even by a cent?Return to Figure 9.2. Suppose P0 is 10 and P1 is 11. Suppose a new firm with the same LRAC curve as the incumbent tries to bleak into the market by selling 4,000 units of output. Estimate from the graph what the new firms average cost of producing output would be. If the incumbent continues. to produce 6,000 units, how much output would the two films supply to the market? Estimate what would happen to the market price as a result of the supply of both the incumbent firm and the new entrant. Approximately how much profit would each firm earn? Figure 9.2 Economics of Scale and Natural MonoployWhat two rules does a perfectly competitive firm apply to determine its profit-maximizing quantity of output?
- A firms marginal cost curve above the average variable cost curve is equal to the films individual supply curve. This means that every time a firm receives a price from the market it will be willing to supply the amount of output where the price equals marginal cost. What happens to the films individual supply curve if marginal costs increase?A market in perfect competition is in long-run equilibrium. What happens to the market if labor unions are able to increase wages for workers?Mo increase production from 5 O True O False 6 fire engines because the dominates in this scenario. True or False: If alternatively Mo's HookNLadder were a competitive firm and $160,000 were the market price for an engine, decreasing its price from $160,000 to $120,000 would result in a decrease in the production quantity, but an increase in total revenue.
- Consider the competitive market for sports jackets. The following graph shows the marginal cost (MC), average total cost (ATC), and average variable cost (AVC) curves for a typical firm in the industry. 72 16 AVC 16 24 40 QUANTITY (Thousards of jaats) For each price in the following tabie, use the graph to determine the number of jackets this firm would produce in arder to maximize its profie. Assume that when the price is exacty equal to the average variabie cost, the firm is indifferent between producing zero jackets and the proft-maximizing quandity. Also, indicate whether the fiem wil produce, shut down, or be indiferent between the two in the short run. Lastiy, determine whether e w make a prafit, suffer a loss, ar break even at each price. Price Quantity (Dollars per jacket) (Jackets) Produce or Shut Down? Profit or Loss? 4 12 36 48 60Suppose a science museum charges $15 for admission, and each day 200 adults visit the museum. Suppose the museum directors cannot change the price they charge, but they know that for every $1000 a day spent on advertising they can increase demand by 50 tickets. The cost of operating the museum for a day is $2,000. Which of the following advertising choices should they make to maximize profits? O Spend $100O0 a day on advertising O Spend $2000 a day on advertising O Spend no money on advertising O Spend $3000 a day on advertisingConsider the competitive market for rhenium. 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. 0 90 80 70 60 V 50 40 ATC 30 20 AVC MC D COSTS (Dollars per pound) PRICE (Dollars per pound) 100 90 80 70 60 The following graph plots the market demand curve for rhenium. 50 40 30 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. 20 100 10 10 0 0 0 5 0 15 20 30 35 40…
- Suppose that bicycles are produced by a perfectly competitive, constant-cost industryWhich of the following will have a larger effect the long-run price of bicycles: a government program to advertise the health benefits of bicyclingor (2) a government program increases the demand for steel, an input in the manufacture of bicycles that is produced in an increasing cost industry ? O. Option 1: shifts the demand curve out and increases the price. O. Option 2: shifts the supply curve up and increases the price O. Option 2: it shifts the demand curve up and increases the quantity. O. Option 2: shifts the supply curve up and increases the quantity.Assume that restaurants in aiports rent the space that they occupy and that the restaurant industry is competitive. Keeping in mind the concept of economic rent, we know that food prices will be higher at the airport restaurants than at other locations because: O airport restaurants generate larger economic profits than other restaurants at different locations. O the number of potential customers is greater at the airport locations. O the rent paid by the restaurant is higher than the rent paid at other locations. O demand for food at airports is less elastic than at other locations.Suppose a farmer earns a larger profit than the "normal profit" by producing a special type of vegetable that becomes popular O other farmers arc likely to plant the same vegetable, pushing up the prevailing market price. O the firm will continue to carn its 'normal profits" far into tho future. O the farm's owners are likely to withdraw from the industry in order to retire carly. other farmers are likely to plant the same vegotablo, pushing down the prevailing market price.