Principles of Economics 2e
Principles of Economics 2e
2nd Edition
ISBN: 9781947172364
Author: Steven A. Greenlaw; David Shapiro
Publisher: OpenStax
Textbook Question
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Chapter 11, Problem 2SCQ

Is it true that the four-firm concentration ratio puts more emphasis on one or two very large films, while the Herfindahl-Hirshmau Index puts more emphasis on all the films in the entire market? Explain briefly.

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Based on this information, the four-firm concentration ratio is?
what is the Four-firm concentration ratio (CR4)? what is the  Herfindahl-Hirshman Index (HHI)? and how are they different?
Question C2 The Australian Competition and Consumer Commission (ACCC) has opened an investigation regarding collusion between the two major firms producing fire protection gear for bush firefighters. The firms - Azure Associates and Blue Guard - contend that they are quantity competitors and that the prices they are charging are a result of an increase in price by their suppliers. As part of the case, the ACCC has noted that the Australian firefighters typically purchase their own protective gear and are thus price takers in the market. Both the ACCC and the two firms under investigation agree that the market demand can be described by the inverse demand function: P(Q)=240-Q, where Q is the total quantity provided by the two firms (i.e., Q=q₁ + 9B, where is the 9A amount produced by Azure Associates and q, is the amount produced by Blue Guard). All parties also agree that the two firms have identical production technologies and that the two firms have the same constant marginal cost of…

Chapter 11 Solutions

Principles of Economics 2e

Ch. 11 - What is a corporate merger? What is an...Ch. 11 - What is the goal of antitrust policies?Ch. 11 - How do we measure a four-firm concentration ratio?...Ch. 11 - How do we measure a Herfindahl—Hirshman Index?...Ch. 11 - Why can it be difficult to decide what a market is...Ch. 11 - What is a minimum resale price maintenance...Ch. 11 - What is exclusive dealing? How might it reduce...Ch. 11 - What is a tie-in sale? How might it reduce...Ch. 11 - What is predatory pricing? How might it reduce...Ch. 11 - If public utilities are a natural monopoly, what...Ch. 11 - If public utilities are a natural monopoly, what...Ch. 11 - What is cost-plus regulation?Ch. 11 - What is price cap regulation?Ch. 11 - What is deregulation? Name some industries that...Ch. 11 - What is regulatory capture?Ch. 11 - Why does regulatory capture reduce the...Ch. 11 - Does either the four-firm concentration ratio or...Ch. 11 - What would be evidence of serious competition...Ch. 11 - Can you think of any examples of successful...Ch. 11 - If you were developing a product (like a web...Ch. 11 - In the middle of the twentieth century, major U.S....Ch. 11 - Why are urban areas willing to subsidize urban...Ch. 11 - Deregulation, like all changes in government...Ch. 11 - Do you think it is possible for government to...Ch. 11 - Use Table 11.5 to calculate the four-firm...Ch. 11 - Use Table 11.5 and Table 11.6 to calculate the...Ch. 11 - If the transit system were allowed to operate as...Ch. 11 - If the transit system were regulated to operate...Ch. 11 - If the transit system were regulated to provide...
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