Consider a market with only one firm and total barriers to entry in which the demand curve is given by P = 100 – 2Q and MR = 100 – 4Q. Suppose that total costs is equal to 0 (hence, marginal cost is equal to 0). What would be the prevailing price in this market?
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Question 21
Consider a market with only one firm and total barriers to entry in which the demand curve is given by P = 100 – 2Q and MR = 100 – 4Q. Suppose that total costs is equal to 0 (hence, marginal cost is equal to 0). What would be the prevailing price in this market?
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P = 20 |
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P = 30 |
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P = 50 |
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P = 40 |
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- There are two firms selling differentiated products. Firm A faces the following demand for his product: QA=20-1/2PA+1/4PB Firm B faces the following demand: QB=220-1/2PB+1/4PA PA represents the price set by firm A. PB represents the price set by firm B.Assume that the marginal cost is zero both for firm A and firm B.What are the equilibrium prices of a simultaneous price competition?What would the equilibrium prices be if A is the leader and B is the follower?Two firms (called firm 1 and firm 2) are the only sellers of a good for which the demand equation is Here, q is the total quantity of the good demanded and p is the price of the good measured in dollars. Neither firm has any fixed costs, and each firm’s marginal cost of producing a unit of goods is $2. Imagine that each firm produces some quantity of goods, and that these goods are sold to consumers at the highest price at which all of the goods can be sold. A Cournot equilibrium in this environment is a pair of outputs (q1, q2) such that, when firm 1 produces q1 units of goods and firm 2 produces q2 units of goods, neither firm can raise its profits by unilaterally changing its output. Find the Cournot equilibrium. Determine whether the price at which the goods are sold exceeds marginal cost.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 15 firms. Finally, use the green points (triangle symbol) to plot the short-run industry supply curve when there are 20 firms. PRICE (Dollars per pound) 100 90 80 70 80 50 40 30 20 10 0 0 125 250 375 500 825 750 875 1000 1125 1250 QUANTITY (Thousands of pounds) Demand Because you know that competitive firms earn Supply (10 firms) True Supply (15 firms) If there were 10 firms in this market, the short-run equilibrium price of rhodium would be $ would . Therefore, in the long run, firms would False Supply (20 firms) per pound. From the graph, you can see that this means there will be ? per pound. At that price,…
- In a small town there is only one movie theater. If the theater is open, the owners have to pay a fixed amount of $6,000 for the films, ushers, etc., regardless of how many people come to the movie. For simplicity, assume that if the theater is closed, its costs are zero. The demand function for movies in the town is characterized by A = 45-T 60 a. Graph the market demand curve, the marginal revenue curve, and the marginal cost curve. Label the axes, curves, and intercepts. b. Find the profit-maximizing price and quantity of movie tickets, and indicate them on the graph. How much would the theater make in profits? c. Calculate deadweight loss caused by the monopoly and indicate the area on the graph. |Refer to Figure 13.1. Suppose demand is Q = 10000 - 1000P and marginal cost is constant at MC=6. From the given demand curve, one can compute the following marginal revenue curve: MR = 10 - Q/500 a. Graph the demand, marginal cost, and marginal revenue curves. b. Calculate the price and quantity associated with point C, the perfectly competitive outcome. Compute industry profit, consumer surplus, and social welfare. c. Calculate the price and quantity associated with point M, the monopoly/perfect cartel outcome. Compute industry profit, consumer surplus, social welfare, and deadweight loss. d. Calculate the price and quantity associated with point A, a hypothetical imperfectly competitive outcome, assuming that it lies at a price halfway between C and M.Compute industry profit, consumer surplus, social welfare, and deadweight loss.The information in the table shows the total demand for water service in Takoma. Assume that there are two companies operating in Takoma. Each company that provides these services incurs an annual fixed cost of $400 and that the marginal cost of providing the service to each customer is exactly $2.00. Figures listed are for an annual service contract. Quantity 0 100 200 300 400 500 600 700 800 900 1000 1100 1200 Price 60 55 50 45 40 35 30 25 b. Refer to Table 17-36. Suppose these 2 firms are price competing with each other (as what happens in a perfectly competitive market). What would total output be? a. 0 21250 1200
- Question 27 Consider a monopoly market in which the market demand curve is given by P = 240 – 2Q, the marginal revenue curve is MR = 240 – 4Q, the marginal cost curve is MC = 2Q, and there are zero fixed costs. Suppose the government intervenes and turns the market into a competitive market, and all the firms in the market have the same marginal cost curve as the monopolist, MC = 2Q, and zero fixed costs. How much is the resulting gain in total surplus? 300 800 400 600Consider a market with the demand curve Q(P) = 3700– 100P. Two companies compete in Bertrand setting, where the first company has a marginal cost of $10 and a capacity of 100 units, and the second firm has a marginal cost of $20 and a capacity of 1000 units. Assume that fixed costs are zero. a) Show that both firms will sell in this market at a price above $20. b) Assume that the first firm is capacity constrained. From the perspective of the second firm, find the quantity sold in the market and the price set by the second firm. c) Now, using the result from the previous part, from the perspective of the first firm, find the quantity sold in the market and the respective price set by the first firm.Question 5 Suppose that the cost function of a firm is C(q)=4q. Suppose that this is the only firm in the market, and demand is Q(p)=10-p. What is the Consumer Surplus in a competitive equilibrium in this economy? 18 36 20 12 15
- 11. Consider the interaction between a retailer and a manufacturer. The manufacturer's marginal cost is 2 and it sets the price p in the first stage of the game. The retailer purchases the product from the manufacturer at this price (so the retailer treats p as its marginal cost) and sells the product at price r in the second stage of the game (this makes the retailer's profit function (r p)g). The market demand is q = 12 – 2r. What will be the prices set by the manufacturer and by the retailer?Suppose a local cable company provides cable service to a rural community. The figure to the right illustrates the cable company's marginal cost of providing cable service along with the community's demand for cable TV. Assume the local cable company is a monopoly. When the company maximizes profits, consumer surplus equals $ (enter a numeric response using a real number rounded to one decimal place), and producer surplus equals $ Compared to the perfectly competitive market outcome, the cable company creates dead weight loss equal to $ Price and cost (dollars per cable subscription) 120- 110- 100- 90- 80- 70- 60- 50- 40- 30- 20- 10- to 10 20 MR D 30 40 50 60 70 80 Quantity of cable subscriptions MC 90 100 ON******ONLY ANSWER PART 3 IN PICTURE PLEASE**** Demand for Thunder games in Oklahoma City is given by: P(0)=430-20 Seattle does not currently have an NBA team, but they would like to attract the the Thunder. ok ok ok Demand for Thunder games in Seattle is given by: P (Q) = 490 -20 The marginal cost of production in both cities is constant at MC = 70. Suppose that the Thunder faces an extra fixed cost of 10000 in Seattle because they need to build a new stadium if they move. If the Thunder decides to stay in Oklahoma City, they don't need to pay the fixed cost. Cities can still offer bids to attract the team. a) Will the Thunder move to Seattle? b) How much is the winning bid? c) What is the profit plus bid for the Thunder? d) What is the value minus bid for the winning city?
