Why is a monopoly bad?

Because the monopoly power cannot be prevented by regulating the firm's strategic behavior, and because breaking it up would often result in higher costs and hence higher prices for consumers, the best course of action is to regulate the prices and quantities such a company can charge.

Why are monopolies considered bad for consumers?

It is of course more secure for company earnings to have a monopoly protected against competition. Unfortunately, this will lead to welfare loses for consumers and other real issues, such as a loss of effectiveness, which would otherwise come as a result of a competitive monopoly.

Can there be anything good about a monopoly?

Monopolies are generally considered to have several disadvantages (higher price, fewer incentives to be efficient e.t.c). However, monopolies can also give benefits, such as – economies of scale, (lower average costs) and a greater ability to fund research and development.