Chapter 11: Q. 4 (page 271)
As a result of globalization and new information and communications technology, would you expect that the definitions of markets that antitrust authorities use will become broader or narrower?
Short Answer
Broader.
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Chapter 11: Q. 4 (page 271)
As a result of globalization and new information and communications technology, would you expect that the definitions of markets that antitrust authorities use will become broader or narrower?
Broader.
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Some years ago, two intercity bus companies, Greyhound Lines, Inc. and Trailways Transportation System, wanted to merge. One possible definition of the market in this case was 鈥渢he market for intercity bus service.鈥 Another possible definition was 鈥渢he market for intercity transportation, including personal cars, car rentals, passenger trains, and commuter air flights.鈥 Which definition do you think the bus companies preferred, and why?
What is a corporate merger? What is an acquisition?
How do we measure a Herfindahl-Hirshman Index? What does a low measure mean about the extent of competition?
Urban transit systems, especially those with rail systems, typically experience significant economies of scale in operation. Consider the transit system data in Table 11.4. Note that the quantity is in millions of riders.

Draw the demand, marginal revenue, marginal cost, and average cost curves. Do they have the normal shapes?
How do we measure a four-firm concentration
ratio? What does a high measure mean about the extent of competition?
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