Examples of oligopoly in the following topics:
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- Credit unions increase competition (big banks tend to be oligopolies, while credit unions are intrinsically smaller in scale, thus high in quantity)
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- Monopolies and oligopolies on an global level are powerful and difficult to regulate, allowing for unfair practices and the pushing out of local businesses.
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- For example, cell phone plan providers, such as AT&T and Verizon, participate in an industry that is an oligopoly, where only a few suppliers of a certain product or service exist.