Monopoly and Oligopoly

1. Identify one monopoly from which you buy a good or service.
2. Identify one oligopoly from which you buy a good or service.
3. Identify one monopolistic competitor that you buy a good or service from.
4. Share one effect you think these types of firms have on the quality of goods or services that you purchase. Is the quality affected positively or negatively? Provide a rationale for your answer.