Xerox, the U.S. Postal Service, and McDonald's have enjoyed significant market power in the past. List and explain three major factors that have eroded this market power. Market power is eroded when A. better substitutes become available because the market has less competition. B. better substitutes become available because consumers will not be willing to pay as much for a good. C. fewer substitutes are available because the market has less supply. D. no substitutes are available because consumers have no choices. O E. fewer substitutes are available because consumers are more sensitive to prices.
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- Some economies are less healthy than they could be because both the market power and economic profit of some favored firms are protected by either government or some private force (e.g. mafia). Present a firm that has market power and is earning economic profit when it is maximizing profit. Explain how competition could help consumers by showing how the profit maximizing point for this firm might change, to the advantage of consumers, if competitors entered this market and competed against this firm.True or false b. Charging a price greater than marginal cost leads to maximum efficiency c. In reality, few markets are perfectly competitive, and some loss of economic efficiency occurs in most markets d. Most markets are perfectly competitive and economists have found that there is no loss of economic efficiency in the U.S. economy.2______. There is only a single drug to treat Diwakar’s disease. This is an example of a Threat of substitutes, strong force b Threat of substitutes, the weak force c rivalry among existing firms, strong force d rivalry among existing firms, the weak force e rivalry among existing customers. strong force
- Consider the market for electricity. There is only one provider of electricity in the market. Use the given information to answer questions 1. The firm maximizes profit, how much is the MR? 2. How much is the maximized profit? 3. The demand for electricity increases since people use air-conditioners more often.(i) What happens to the demand curve? (ii) Will the firm’s profit increase or decrease? 4. Explain why the market for electricity may be dominated by one firm.Amazon May be Sprinting into Athletic Apparel People increasingly wear their workout clothes outside the gym and athletic clothing sales in the United States increased by 15 percent in 2015 and 12 percent in 2016. Amazon wants to get this $44 billion market, which is currently dominated by Nike and Under Armour. How will Amazon’s entry into the athletic clothing market influence Nike and Under Armour? Choose the best answer. Amazon’s entry into the athletic clothing market will 1.(increase, decrease, have no effect) the demand for Nike’s and Under Armour’s clothing. Nike’s and Under Armour’s price will 2. (increase, decrease, have no effect) and the quantity they each produce will 3.(increase, decrease, have no effect). They were making an economic profit before Amazon entered (which is why Amazon entered the market) but Amazon’s entry 4.(raised, decreased, had no effect on) their economic profit.Give typing answer with explanation and conclusion Sort the following characteristics by whether they describe competitive markets, firms that can perfectly price-discriminate, both, or neither. maximize total surplus result in some deadweight loss zero economic profit in the long run eliminate consumer surplus
- You live in a town with 300 Adults and 200 children, and you arc thinking about putting on a play to entertain your neighbors and make some money. A play has a fixed cost of $2,000, but selling an extra ticket has zero marginal cost. Here are the demand schedules for your two types of customer: a. To maximize profit, what price would you charge for an adult ticket? For a child's ticket?How much profit do you make?b. The city council passes a law prohibiting you from charging different prices to different customers. What price do you set for a ticket now? How much profit do you make?c. Who is worse off because of the law prohibiting price discrimination? Who is better off? (If you can, quantify the changes in welfare.)d. If the fixed cost of the play were $2,500 rather than $2,000, how would your answers to parts (a), (b), and (c) change?Q1 Alex Potter owns the only well in a town that produces clean drinking water. He faces the following demand P=100-Q, and marginal cost MC=20+2Q, marginal revenue MR= 100-2Q curves. In order to maximize profits, Alex should charge a price of $60 at the profit maximizing quantity with a marginal revenue equal to $60. $80 at the profit maximizing quantity with a marginal revenue equal to $60. $80 at the profit maximizing quantity with a marginal revenue equal to $80. $60 at the profit maximizing quantity with a marginal revenue equal to $80.Which market has market power or not and is it good to have market power or not: 1- competitive market: 2-monopoly : 3-monopolistic competition : 4-oligopoly:
- a. If only two firms exists in the market and they act competitively, find the equilibrium price and quantity, and calculate producer and consumer surplus. If you know firms earn zero profit, what must their fixed cost be? b. Calculate the elasticities of market supply and market demand at the equilibrium point. Which one is more elastic?Nile.com, the online bookseller, wants to increase its total revenue. One strategy is to offer a 10% discount on every book it sells. Nile.com knows that its customers can be divided into two distinct groups according to their likely responses to the discount. The accompanying table shows how the two groups respond to the discount. Group A Group B(sales per week) (sales per week) Volume of sales beforethe 10% discount 1.55 million 1.50 million Volume of sales afterthe 10% discount 1.65 million 1.70 million A. Using the midpoint method, calculate the price elasticities of demand for group A and group B. B. Explain how the discount will affect total revenue from each group. C. Suppose Nile.com knows which group each customer belongs to when he or she logs on and can choose whether or not to offer the 10% discount. If Nile.com wants to increase its total revenue, should discounts be offered to group A or to group B, to neither group, or to both groups?For a monopoly, why is marginal revenue less than price? Question 2 options: a) If a monopoly wishes to increase sales, it must lower the price to all customers, and the impact of the price effect, working with the quantity effect causes marginal revenue to be less than price. b) If a monopoly wishes to increase sales, it must raise the price to all customers, and the impact of the price effect causes marginal revenue to be less than price. c) If a monopoly wishes to increase sales, it must lower the price to all customers, and the impact of the quantity effect causes marginal revenue to be less than price. d) If a monopoly wishes to increase sales, it must raise the price to all customers, and the impact of the price effect, working with the quantity effect causes marginal revenue to be less than price. e) If a monopoly wishes to increase sales, it must lower the…