Answer:
ΔY = $800 billion
Explanation:
given data
extended amount = $200 billion
income group = 0.8
to find out
increase GDP under this proposed extension of tax break is expected to increase by (ΔY)
solution
we know that here equation that is
[tex]\frac{\Delta Y}{\Delta T} = \frac{-MPC}{1-MPC}[/tex] ........................1
here ΔT is given 200 and MPC is 0.8
so put here value we get
[tex]\frac{\Delta Y}{\Delta T}= \frac{-MPC}{1-MPC}[/tex]
[tex]\frac{\Delta Y}{200} = \frac{-0.8}{1-0.8}[/tex]
[tex]\frac{\Delta Y}{200} = \frac{-0.8}{0.2}[/tex]
solve we get
ΔY = $800 billion