Consider the long-run equilibrium in a monopolistically competitive market. Which of the following alternatives is correct? (a) Price is equal to marginal cost (b) The equilibrium is cost-efficient: Firms produce at the minimum of the average cost curve (c) The equilibrium is welfare-efficient: There is no deadweight loss (d) There are no barriers to entry: Every firm earns zero profits
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Consider the long-run equilibrium in a
following alternatives is correct?
(a) Price is equal to marginal cost
(b) The equilibrium is cost-efficient: Firms produce at the minimum of the average cost curve
(c) The equilibrium is welfare-efficient: There is no
(d) There are no barriers to entry: Every firm earns zero profits
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Solved in 3 steps
- From the following graph, show the equilibriums under each scenario. Market is in equilibrium at A under competitive market. (a) Show the equilibrium under monopoly. Call this point B (b) When the demand increased in the area due to immigration, show the new competitive equilibrium, call this point C. (c) Show the new monopolistic equilibrium with increased demand and call this point D.The demand and total cost functions for a monopolistically competitive market are: Q(P) = 300/N – P, where N = number of firms TC(Q) = 50 + Q2 There are currently three firms in this market and they are in a short run equilibrium. c) In the long run, how many firms are in the market (round to the nearest integer)?The demand function for a monopolistically competitive firm's product is Q = 100 – 4P, while the firm's cost function is C = 500 + 10Q + 0.5Q2.(a) Determine the firm's equilibrium price and quantity.(b) Is the firm in long-run equilibrium? If not, what is expected to happen in the long run if the firm remains in the industry?
- Promoters of a major college basketball tournament estimate that the demand for tickets by adults is QA = 5,000 - 10P and the demand for tickets by students is QS = 10,000 - 100P. The marginal cost and average total cost of seating an additional spectator is constant, MC = $10, The promoters want to segment the market and charge adults and students different prices. What is the profit maximizing ticket price for students?Which of the following conditions is characteristic of a equilibrium? P MC monopolistically competitive firm in short-runInverse demand for aglets (the plastic wrap on the end of the shoelaces) is given by the expression: P=1-Q/20,000. Further suppose the the marginal cost of producing aglets is constant at $0.01. What are the equilibrium price and quantity in a competitive market? What are the equilibrium price and quantity as well as profit in monopolistic market? What is the deadweight loss?
- In which situation at the following, _______ is the market dominated by only one seller/company? Pure monopoly Monopolistic competition Oligopolistic competition Pure competition Free marketThe diagram below illustrates a firm under monopolistic competition:(a) Label the curves Curve I, Curve II, Curve III, Curve IV.(b) Graphically identify profit maximizing output and price(c) Explain how the amount of profit is defined at the maximum-profit outpu3. 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 MC 0 50 100 ATC Demand 150 200 250 300 350 400 450 500 QUANTITY (Scooters) MR 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. Now consider the long run in which scooter manufacturers are free to…
- A large share of the world supply of diamonds comes from Russia and South Africa. Suppose that the marginal cost of mining diamonds is constant at $1,000 per diamond, and the demand for diamonds is described by the following schedule: Price ($) Quantity (diamonds) 8000 5000 7000 6000 6000 7000 5000 8000 4000 9000 3000 10000 2000 11000 1000 12000 a) If there were many suppliers of diamonds, what would be the price and quantity? b) If there were only one supplier of diamonds, what would be the price and quantity? c) If Russia and South Africa formed a cartel, what would be the price and quantity? If the countries split the market evenly, what would be South Africa’s production and profit? What would happen to South Africa’s profit if it increased its production by 1,000 while Russia stuck to the cartel agreement? d) Use your answers to part (c) to explain why cartel agreements are often not successful.Monopolistic competition creates inefficiency because of the Price markups and excess capacity. The graph depicts the situation $100 for a hypothetical monopolistically competitive firm. The 90 curves included in the graph are demand (D), marginal 80 revenue (MR), average total cost (ATC), and marginal cost ATC (MC). Use the graph to find the requested values. 70 60 What is the size of the markup on the price? 50 40 markup: $ 30 What is the size of the excess capacity? 20 MC MR 10 units excess capacity: 20 30 40 50 60 70 80 90 10 100 QuantityIn the long run, monopolistically competitive firms produce a level of output such that: