Difficulty: Easy

Average Score: 100%

What is the profit maximization condition for a monopoly?

Rationale

When marginal revenue equals marginal cost.

A monopoly maximizes its profit by producing the quantity of output where marginal revenue, the additional revenue from selling one more unit, equals marginal cost, the cost incurred from producing that additional unit. At this point, the monopoly can ensure that it is not leaving any potential profit on the table, as producing beyond this point would reduce overall profit.

A (When price equals marginal cost) YOUR ANSWER

This condition is characteristic of perfect competition, not monopolies. In a monopoly, the price is set above marginal cost due to market power, allowing the firm to maximize profits by restricting output, which contrasts with the competitive equilibrium where price equals marginal cost.

B (When marginal cost is minimized) YOUR ANSWER

Minimizing marginal cost does not necessarily lead to profit maximization. A monopoly may operate at various levels of marginal cost depending on its production decisions, but profit maximization specifically occurs when marginal revenue equals marginal cost, regardless of whether marginal cost is minimized.

C (When marginal revenue equals marginal cost) CORRECT

This is the correct condition for profit maximization in a monopoly. By setting output where marginal revenue equals marginal cost, the monopoly ensures that the additional revenue from producing one more unit is exactly equal to the additional cost, thereby maximizing its profit.

D (When total revenues are maximized) YOUR ANSWER

Maximizing total revenues does not guarantee profit maximization. A monopoly can have high total revenues while still incurring high costs. Profit maximization focuses on the relationship between marginal revenue and marginal cost rather than total revenue alone, which could lead to inefficiencies and reduced profits.

Conclusion

In monopoly market structures, the profit maximization condition is defined by the equilibrium of marginal revenue and marginal cost. This principle distinguishes monopolistic behavior from competitive markets, where price equates to marginal cost. Understanding this condition is crucial for analyzing monopolistic pricing strategies and their implications for consumer welfare and market efficiency.

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