Multiple Choice
Choose the correct statement.
A) Resources are used efficiently when marginal social benefit equals marginal social cost.
B) Competitive equilibrium achieves an efficient outcome.
C) Competitive equilibrium maximizes the gains from trade.
D) When firms in perfect competition are away from long-run equilibrium, either entry or exit is taking place and the market is still efficient.
E) All of the above
Correct Answer:

Verified
Correct Answer:
Verified
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