A decrease in aggregate demand causes a decrease in ________ only in the short run, but causes a decrease in ________ in both the short run and the long run

The percentage change in the quantity demanded of a good due to a percentage change in its price is referred to as the:

A) price multiplier. B) price elasticity of demand. C) shadow price of the good. D) consumer surplus.

If the marginal propensity to consumer is 0.9, what is the value of the expenditure multiplier?

a. 1.0 b. 1.9 c. 10 d. 0.1 e. 0.9