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If the Market for Roller Blades Is at a Competitive

Question 276

Multiple Choice

If the market for roller blades is at a competitive equilibrium, and there are no external costs or benefits, then


A) marginal social benefit is equal to marginal social cost.
B) the sum of consumer surplus and producer surplus is maximized.
C) resources are being used efficiently.
D) All of the above answers are correct.

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