question 29\nmonopolies are able to sustain long - run economic profit due to\na) antitrust laws\nb)…

question 29\nmonopolies are able to sustain long - run economic profit due to\na) antitrust laws\nb) productive efficiency\nc) barriers to entry\nd) competition\ne) international trade

question 29\nmonopolies are able to sustain long - run economic profit due to\na) antitrust laws\nb) productive efficiency\nc) barriers to entry\nd) competition\ne) international trade

Answer

Brief Explanations:

Barriers to entry prevent new firms from entering the market. In a monopoly, these barriers (such as high - start - up costs, exclusive access to resources, or legal restrictions) allow the monopolist to maintain market power and earn long - run economic profit. Antitrust laws aim to prevent monopolies, productive efficiency doesn't guarantee long - run profit for a monopoly, competition would reduce monopoly profit, and international trade is not the main factor for a monopoly's long - run profit.

Answer:

C. barriers to entry