Monopolists may be able to earn profit, even in the long run, as the result of

A) consumer ignorance.
B) an inelastic demand for its product.
C) product differentiation.
D) high barriers to entry.

Barriers to Entry

Factors that prevent or hinder companies from entering a particular market or industry, such as high startup costs or complex regulations.

Consumer Ignorance

A situation where consumers lack necessary information about products or services, which can affect their buying decisions and market outcomes.

Inelastic Demand

A situation where the demand for a product does not significantly change in response to changes in its price.