What is the main characteristic of a pure monopoly?

Which of these is the most likely barrier to entry in a pure monopoly?

In a pure monopoly, the seller is often a:

What is a potential negative consequence of a pure monopoly for consumers?

Which industry sector might historically exhibit pure monopoly characteristics (though often regulated)?

What is a natural monopoly?

Which of the following can protect a firm's monopoly position?

In a pure monopoly, demand curve faced by the firm is:

What is a potential benefit of a pure monopoly, under specific conditions?

Anti-trust laws are designed to: