Answer:
interest rate is 2.25 %
Explanation:
given data
sell bond = $715
bond matures = 15 years
redeem = $1,000
solution
we apply here formula that is
amount = principal × 
................1
here put value and we get
1000 = 715 × (1+r)^{15}
= 
solve it we get
r = 0.022617
so rate is 2.25 %
Answer:
We expect investment spending to increase by $ 1 billion
Explanation:
If investment decreases by $ 1 billion if a 1 % change is made then that is sensitivity of investment to change in interest rate. Thus if there is a 1 % reduction in interest rate we expect to see a $ 1 billion increase in spending if this holds true.
Answer:
I don't know. I think a lot of the variability in wages would be due to statistical noise.
