Suppose there is an increase in the short-run aggregate supply with no change in the long-run aggregate supply. This situation could be the result of

A) an increase in the price of oil.
B) a decrease in the money wage rate.
C) a technological advancement.
D) an increase in the quantity of capital.


B

Economics

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A law that encourages market competition by prohibiting firms from gaining or exercising excessive market power is

a. a patent. b. impossible to enforce. c. an antitrust law. d. an externality law.

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An increase in supply means that quantity supplied rises

A. at least one price. B. at a few prices. C. at most prices. D. at all prices.

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A tax meant to counter the effect of a negative externality is called:

A. an external tax. B. a social benefit tax. C. a Coase tax. D. a Pigovian tax.

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