Most tariffs have

With a change in the money supply, a vertical LM curve shifts a horizontal distance equal to

A) that change. B) that change times velocity. C) that change divided by velocity. D) that change times the simple Keynesian multiplier.

Consumer's surplus is a measure of how much

a. less than his income a consumer spends on goods. b. more utility a consumer receives from his purchases than he has to pay for them. c. a consumer's marginal utility differs from his total utility. d. a change in price induces a consumer to substitute other goods.