Examlex
From a society's viewpoint, when all resources are fully employed, a decision to have more of one thing means we must give up some of another thing.
Monopolistic Competition
A market structure characterized by many firms selling products that are substitutes but not perfect substitutes, leading to each firm having some market power.
Perfect Competition
A market structure characterized by an infinite number of small firms, identical products, and easy market entry and exit, leading to companies not having pricing power.
Monopolistic Competition
A market structure characterized by many firms selling products that are similar but not identical, allowing for some differentiation and price control.
Long-Run Economic Profits
The sustained extra income a firm generates when all inputs are variable, indicating the firm's long-term competitive advantage.
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