Final answer:
Monopoly power refers to the ability of a firm to control the price and quantity of a product or service. The correct statement is that monopoly power is the power to raise price above average cost without facing new entry of firms.
Step-by-step explanation:
Monopoly power refers to the power that a single firm has when it dominates a market. It is the ability of a firm to control the price and quantity of a product or service.
The correct statement is B. Monopoly power is the power to raise price above average cost without facing new entry of firms. This means that a monopolist can charge a price higher than its average cost of production without fear of new competitors entering the market.
For example, let's consider a monopolist that produces and sells smartphones. If the monopoly power is strong, the monopolist can set a price for the smartphones that is higher than the cost of production, maximizing its profits.