1a. Using the Keynesian-cross model, explain what happens to
output following a decrease in the interest rate? (5pts)
b. Using the IS-LM model, show and explain how a decrease in
taxes affects the interest rate and output. (5pts)
What happens to interest rate, output, prices and wages; as
government expenditures decrease within a general equilibrium
framework?
Could you please draw related graphs to explain?
Thank you!
For each of the following changes, what happens to the real
interest rate and output in the very short run, before the price
level has adjusted to restore general equilibrium? (a) Wealth
rises. (b) Money supply rises. (c) The future marginal productivity
of capital increases. (d) Expected inflation declines. (e) Future
income declines.
Keynesian Model with Tax shock.
Derive the equilibrium output (Y*) and interest rate (r*) in the
ISLM model.
a. How does output change if tax rate increases?
b. Explain how c2 affects the relationship between output and
tax rate.
In
the Keynesian model, a decrease in government purchases affects
output by
1. decreasing labor supply, because workers feel effectively
poorer.
2. decreasing saving to pay for future taxes, lowering the
real interest rate and shifting the IS curve to the left.
3. decreasing the real interest rate due to crowding out,
reducing aggregate demand.
4.decreasing aggregate demand as national saving
declines.
In the expenditure–output or Keynesian cross model, the
equilibrium occurs where the aggregate expenditure line (AE line)
crosses the 45° line. Given algebraic equations for two lines, the
point where they cross can be calculated easily. Imagine an economy
with the following characteristics.
Y = Real GDP or national income
C = Consumption = 50 + 0.8Y
I = Investment = 200
G = Government spending = 100
Calculate the equilibrium level of income (Y)
Suppose G increases to 125...