Answer:
D. Consumption by $80 billion.
Explanation:
Marginal propensity to Save = 1 / MPS
= 1 / 0.2
= 5
= $20 billion × 5
= $100 billion
= $100 - $20
= $80 billion
Therefore, a $20 billion rise in investment spending will increase consumption by $80 billion.
Answer:
Take a look to the following explanation
Explanation:
Reserve ratio ,10%=0.1
Money multiplier=1/reserve ratio=1/0.1=10
If feds sells 1million$ bond the economy reserves increases by 1 million$ and money supply decrease by 10 million $(1*money multiplier).
If fed changes RR to 5% but banks choose to hold another ,5 percent as excess reserve ,then on aggregate actual reserve ratio will be 10%. So money multiplier would remain same,10 and so the money supply