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.

D

Economics

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When demand deposits increase, M1 and M2 increase

a. true b. false

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If the demand for labor increased but more slowly than the supply a. wages would rise

b. wages would fall. c. there would be an increase in the amount of laborers employed. d. both (b) and (c) would result.

Economics