Monopoly -

: The firm can influence the market price by adjusting its output levels.

: The firm and the industry are one and the same. Monopoly

A is a market structure where a single seller dominates the entire industry, providing a unique product or service with no close substitutes. Because there is no competition, the firm acts as a price maker , enjoying significant control over market prices and often earning sustained economic profits. Core Characteristics of a Monopoly : The firm can influence the market price

Monopolies typically form when "barriers to entry" protect a firm from competition: Because there is no competition, the firm acts

: There are no close substitutes available for consumers, leaving them with little choice.

: Structural, legal, or economic obstacles prevent new competitors from entering the market.

: To sell more units, the monopolist must lower its price. Sources of Monopoly Power (Barriers to Entry)