In: Economics
V+Consider a closed economy with fixed prices and wages. Suppose
the consumption
function is given by
? = 50 + 0.5?
?
where C is consumption and ?
?
is disposable income. The investment function is
given by
? = 30 − 5?
where I is investment and r is the interest rate. The demand for
money is given by
?/? = 200 + 2? − ℎ?
where M is the amount of money demanded, P is the price level, and
h is a parameter
measuring the sensitivity of money demand to the interest rate.
Assume that the
price level is fixed at P = 1.
(a) Assume that h=20. If government spending is G=20, taxes are
T=10, and
the money supply is M=300, find the equilibrium levels of output
and the
interest rate.
(b) Now assume that government spending decreases to 10. What is
the
multiplier? Is the effect of government spending on output
increased or
decreased when h is larger? Explain your answer intuitively.
(c) Now suppose taxes decrease to 0. What is the multiplier? Will
the
multiplier be different than your answer in part (b)? Explain
intuitively.
i am having trouble with b and c. could you do them in detail mainly the multipliers