EBK ECONOMICS TODAY
EBK ECONOMICS TODAY
18th Edition
ISBN: 9780133920116
Author: Miller
Publisher: YUZU
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Chapter 25, Problem 2CTQ
To determine

Amount of long-run annual economic profit

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Del's and Rodney's are two plumbing services in a gentrifying area of South East London. Within the area they service, the two firms operate as a duopoly and together serve one hundred percent of the available local market. One of their key lines of business is visiting customer's homes to install a new shower rail. A student project has been investigating the local plumbing business and has estimated the following information for Del's and Rodney's: Total demand for new shower rails per week is given by P = 200 - 4Q Where Q is total market demand and can be divided between Del's (qd) and Rodney's (qr) such that Q = qd + qr Assuming that the marginal cost of serving an extra customer is £40 for each, and that marginal revenue for Del is given by MRd 2008qd - 4qr And marginal revenue for Rodney is given by MRr Then 2008qr - 4qd 8 CONTINUED
Why do more sales in not equal more profit
Franchising is widely used in the casual dining and fast-food industry, yet Starbucks is quite successful with a large number of company-owned stores. In 2019 Starbucks had more than 8,500 company-owned stores in the United States. How do you explain this difference? Is Starbucks bucking the trend of other food- service stores, or is something else going on?
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