What is an​ oligopoly? An oligopoly is a market structure A. where many sellers compete by selling differentiated products. B. where a small number of interdependent firms compete. C. where only one firm supplies the entire market. D. where only one firm buys an input in a factor market. E. where many sellers compete by selling an identical product. Three examples of oligopolies in the United States are industries that produce or sell A. clothingclothing​, ​toys, and aircraft. B. first minus class mail deliveryfirst−class mail delivery​, dog and cat​ food, and pharmaceutical drugs. C. DVDsDVDs​, college​ textbooks, and breakfast cereal. D. automobilesautomobiles​, athletic​ footware, and cigarettes. E. applesapples​, pharmaceutical​ drugs, and beer.

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Answer:

The answers are B and D.

Explanation:

A monopoly is an environment where a trade of a good or a service is controlled by a single supplier/manufacturer. Oligopoly defines an environment where the same thing is done by a few parties where a small number of firms that depend on each other compete for the market which usually means higher prices for the consumer. So the answer is option B.

Automobile industry, athletic footware and cigarettes can be given as examples of oligopoly in the US. The answer is option D.

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