Question:
Economist in Funlandia, a closed economy, have collected the following information about the economy for a particular year:
Y= 10000
C= 6000 T=1500 G=1700
The economist also estimate that the investment function is: I= 3300-100 r,
Where r is the country's real interest rate, expressed as percentage. Calculate private saving, public saving, national saving, investment and the equilibrium interest rate.