Questions from Microeconomics


Q: Why does the entry of new firms cause the demand curve of

Why does the entry of new firms cause the demand curve of an existing firm in a monopolistically competitive market to shift to the left and to become more elastic?

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Q: What is the difference between zero accounting profit and zero economic profit

What is the difference between zero accounting profit and zero economic profit?

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Q: What is scarcity? Why is scarcity central to the study of

What is scarcity? Why is scarcity central to the study of economics?

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Q: Is it possible for a monopolistically competitive firm to continue to earn

Is it possible for a monopolistically competitive firm to continue to earn an economic profit as new firms enter the market?

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Q: Through the 2014 season, Nick Saban’s record as the head football

Through the 2014 season, Nick Saban’s record as the head football coach at the University of Alabama was 86 wins and 17 losses. His $7 million salary is the highest received by any college football co...

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Q: Chipotle Mexican Grill restaurants have been a very popular “fast-

Chipotle Mexican Grill restaurants have been a very popular “fast-casual” dining option—with better food choices than fast-food restaurants like McDonald’s and faster service and lower prices than tra...

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Q: Suppose Angelica opens a small store near campus, selling beef brisket

Suppose Angelica opens a small store near campus, selling beef brisket sandwiches. Use the graph below, which shows the demand and cost for Angelica’s beef brisket sandwiches, to ans...

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Q: A student remarks: If firms in a monopolistically competitive industry

A student remarks: If firms in a monopolistically competitive industry are earning an economic profit, new firms will enter the industry. Eventually, a representative firm will find that its demand cu...

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Q: Consider an organization that exists to help the poor. The members

Consider an organization that exists to help the poor. The members of the organization are discussing alternative methods of aiding the poor, when a proponent of one particular method asserts, “If eve...

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Q: Competition from Amazon and other online booksellers has resulted in some brick

Competition from Amazon and other online booksellers has resulted in some brick-and-mortar bookstores suffering losses. According to an article in the New York Times, over the past 15 years, the numbe...

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