For small armies, a volunteer army would be less costly

The marginal benefit of an activity is i. the benefit from a one-unit increase in the activity. ii. the benefit of a small, unimportant activity. iii. measured by what the person is willing to give up to get one additional unit of the activity

A) i only B) ii only C) iii only D) i and iii E) ii and iii

Growth in aggregate demand will

A) cause the short-run Phillips curve to shift to the left. B) increase unemployment. C) move the economy to a higher point on the short-run Phillips curve. D) cause deflation.