1. Suppose that fixed costs for a firm in the monopolistically competitive automobile indu $50 and that variable costs are equal to $50 per finished automobile ( marginal cost Because more firms increase competition in the market, the market price falls as more fir an automobile market, or specifically, P 50+ (20/n), wheren represents the number in a market. Assume the size of the U.S. industry is 1000. Use the internal economies theory to: (a) Calculate the equilibrum number of firms in the US uithout trade? (b) What is the equilbrium price of automobiles in the United States in autarky? (c) What is the equilibrium output per firm in the US in autarky?
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- 1. Suppose we live in a world where the widgets market is a monopolistically competitive market with homogenous firms (i.e. no productivity differences among firms). There are two countries: A and B. In each country, consumer demand for widgets can be written as Q = S x- x (P – P), 30 where n is the number of widget firms, P the price of widget charged by the firm, and P the average price of widget by other firms in the market. Moreover, widget firms in both countries have the same total cost function, which is C = 750 + (5 × Q). It is also given that marginal revenue of each 30Q firm can be written as MR = P – Total demand for widget in country A is SA = 900 and Sg = 1600 in country В. a) Derive the average cost function from the total cost function. What is the marginal cost? b) Calculate the number of firms and the prices of widget in each country when trade is not allowed (that is, calculate na, ng, Pa, PBÌ- c) Calculate the number of firms and the price of widget in the unified…1. Suppose that fixed costs for a firm in the monopolistically competitive automobile industry are $50 and that variable costs are equal to $50 per finished automobile (marginal cost= $50). Because more firms increase competition in the market, the market price falls as more firms enter an automobile market, or specifically, P 50 + (20/n), wheren represents the number of firms in a market. Assume the size of the U.S. industry is 1000. Use the internal economies of scale theory to: (a) Calculate the equilibrum number of firms in the US without trade?What are the most important differences between perfectly competitive markets and monopolistically competitive markets? Give two examples of products sold in perfectly competitive markets and two examples of products sold in monopolistically competitive markets.
- Suppose the market for cereal is monopolistically competitive and in long-run equilibrium. The demand (and marginal revenue) for a firm in this industry is illustrated in the graph to the right, along with that firm's average total cost and marginal cost of producing its brand of cereal. Compared to perfectly competitive markets in the long-run, monopolistically competitive markets, such as that for cereal, allocatively efficient because they produce excess capacity. For example, according of thousand boxes. are are not onopolistically competitive firm has excess capacity esponse using an integer.) 150 135- 120- 105- 90- 75- 60- 45- 30- 15- Price and cost (dollars per box) MC ATC MR D 10 20 30 40 50 60 70 80 90 100 Quantity of cereal (per week in 1000s) Q Qhow do I solve A, B, C? 1. Suppose that fixed costs for a firm in the monopolistically competitive automobile industry are $50 and that variable costs are equal to $50 per finished automobile ( marginal cost $50). Because more firms increase competition in the market, the market price falls as more firms enter an automobile market, or specifically, P 50+ (20/n), wheren represents the number of firms in a market. Assume the size of the U.S. industry is 1000. Use the internal economies of scale theory to: (a) Calculate the equilibrum number of firms in the US without trade? (b) What is the equilbrium price of automobiles in the United States in autarky? (c) What is the equilibrium output per firm in the US in autarky?Suppose the figure to the right represents the market for a particular brand of shampoo, such as L'Oreal, Lancome, or Maybelline. Assume the market is monopolistically competitive and is in long-run equilibrium. How much excess capacity does the firm have? The monopolistically competitive firm's excess capacity is thousand bottles of shampoo. (Enter your response as an integer.) C Price and cost (per bottle) 2.00- Q 1.80- MC Q ATC 1.60- 1.40- 1.20- 1.00- 0.80- 0.60- 0.40- 0.20- 0.00+ 0 2 MR D 4 6 8 10 12 14 16 18 20 Quantity (shampoo bottles in thousands)
- Suppose the market for kitchen knives is monopolistically competitive and that businesses in this market are currently earning negative economic profits. In the long run, the demand for an individual kitchen knife business will ______ as more kitchen knife businesses leave the market, which will cause economic profits to ______ .Suppose a monopolistically competitive firm operates in a long run which produces 40 units of output at 120 taka per-unit cost (average total cost). Also MC of producing 40 unit output is 60 taka. By using this information, show the long run situation of a monopolistically competitive firm in an appropriate diagram.When we compare the long run conditions of a Perfectly Competitive firm to the long run conditions of a Monopolistically Competitive firm we see that the Perfectly Competitive firm is less productive and cost efficient than the Monopolistically Competitive firm more productively efficient and less cost efficient than the Monopolistically Competitive firm less productively efficient and more cost efficient than the Monopolistically Competitive firm more productive and cost efficient than the Monopolistically Competitive firm
- Economics Question3. How short-run profit or losses induce entry or exit Citrus Scooters is a company that manufactures electric scooters in a monopolistically competitive market. The following graph shows the demand curve, marginal revenue curve (MR), marginal cost curve (MC), and average total cost curve (ATC) for Citrus. Place the black point (plus symbol) on the graph to indicate the short-run profit-maximizing price and quantity for this monopolistically competitive company. Then, use the green rectangle (triangle symbols) to shade the area representing the company's profit or loss. PRICE (Dollars per scooter) 500 450 400 350 300 250 200 150 100 50 0 0 MC 50 100 ATC MR Demand 150 200 250 300 350 400 450 500 QUANTITY (Scooters) Monopolistically Competitive Outcome Given the profit-maximizing choice of output and price, Citrus Scooters is earning Profit or Loss sellers in the industry relative to the long-run equilibrium amount. profit, which means there are3. Is monopolistic competition efficient? Suppose that a firm produces tennis racquets in a monopolistically competitive market. The following graph shows its demand (D) curve, marginal revenue (MR) curve, marginal cost (MC) curve, and average cost (AC) curve. Assume that all firms in the industry face the same cost structure. Place the tan point (dash symbol) on the graph to indicate the long-run monopolistically competitive equilibrium price and quantity for this firm. Next, place the purple point (diamond symbol) to indicate the point at which this firm would produce in the long run if it operated in a perfectly competitive market. Note: Dashed drop lines will automatically extend to both axes. 100 8 PRICE, COSTS, AND REVENUE (Dollars per racquet) 80 70 R 40 30 20 10 C D D 10 Under... MR 30 40 50 70 QUANTITY (Thousands of racquets) Monopolistic Competition Perfect Competition D Average Cost (Dollars per racquet) 60 55 90 Compare the average cost and the production level in the…