Final answer:
Barriers to entry in monopoly markets, such as natural monopolies and intellectual property rights, prevent competition and allow monopolies to thrive.
Explanation:
Barriers to entry in a monopoly market can arise due to various factors such as legal, technological, or market forces that discourage or prevent potential competitors from entering. Examples include control over natural resources, intellectual property rights, and economies of scale creating a natural monopoly. These barriers prevent or discourage competitors from entering the market, allowing monopolies to exist.
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