Answer: A. A monopolist sells a good that has no close substitutes
E. Rent seeking by monopolies imposes additional costs on society above the deadweight loss.
H. A monopolist that sets a single profit-maximizing price will not set price along the inelastic portion of the demand curve.
Step-by-step explanation:
A monopoly is a market with a single seller for a certain product such that the sector is dominated by a company. A monopolist typically sells a good which has no close substitutes.
From the options given, the ones that are true regarding monopolist include:
• A monopolist sells a good that has no close substitutes.
• Rent seeking by monopolies imposes additional costs on society above the deadweight loss.
• A monopolist that sets a single profit-maximizing price will not set price along the inelastic portion of the demand curve.
Therefore, the correct options are A, E, H