49)An increase in the overnight rate...

a.Increases autonomous expenditure.

b.Has no effect on autonomous expenditure.

c.Decreases autonomous expenditure.

d.Causes inflation to increase.

50)If disposable income increases by $1 and consumption goes up by $0.80, we can conclude that...

a.The marginal propensity to consume is 0.8.

b.The marginal propensity to save is 0.8.

c.The average propensity to consume is 0.8

d.The marginal propensity to import is at least 0.8.

51)A parallel shift up in the AE curve not relating to a price change is equivalent to...

a.A leftward shift in the AD curve.

b.A leftward shift in the AS curve.

c.A rightward shift in the AS curve.

d.A rightward shift in the AD curve.