One measure of the extent of competition in an industry is the concentration ratio. what level of concentration indicates that an industry is an oligopoly? most economists believe that a four-firm concentration ratio of ▼ greater less than nothing percent indicates that an industry is an oligopoly. (enter your response as an integer.)

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Elena Carey

12 December, 11:05

One measure of the extent of competition in an industry is the concentration ratio. what level of concentration indicates that an industry is an oligopoly? most economists believe that a four-firm concentration ratio of ▼ greater less than nothing percent indicates that an industry is an oligopoly. (enter your response as an integer.)

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Rafael Cole · Answer 1

One measure of the extent of competition in an industry is the concentration ratio. what level of concentration indicates that an industry is an oligopoly? Most economists believe that a four-firm concentration ratio of greater than 40 percent indicates that an industry is an oligopoly.

An oligopoly is a market where there is a small number of large sellers. They dominate their market but also have their own market structure where they are able to keep a lot of firms from having influence over them.