Read the scenario.A city has only one electric company. Because of the cost of building a new power grid, no company can ever move in to compete. To protect consumers, the government sets a limit on the amount a single power company can charge its customers.

This is a mixed market because the electric company operates as a business, but the government intervenes by limiting what it can charge. The high cost of building a power grid prevents competition, so government regulation helps protect consumers. The correct choice is “mixed market.”

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