Which of the following is not an assumption made by the dynamic model of aggregate
demand and aggregate supply?
A) Potential real GDP increases continuously.
B) The aggregate demand curve shifts to the right during most periods.
C) The short-run aggregate supply curve shifts to the right except during periods when
workers and firms expect higher wages.
D) Aggregate demand and potential real GDP decrease continuously.
Carolyn spends her income on popular magazines and music CDs. If the price of a CD
is four times the price of a magazine and if Carolyn is maximizing her utility, she buys
A) both goods until the marginal utility of the last CD purchased is four times the
marginal utility of the last magazine purchased.
B) both goods until the marginal utility of the last magazine purchased is four times the
marginal utility of the last CD purchased.
C) four times as much magazines as CDs.
D) four times as much CDs as magazines.