3. Economists in SCU, a closed economy, have collected the following information about the economy for a particular year: Y=10,000 C=6,000 T=1,500 G=1,700
where Y is GDP, C is consumption, G is government purchase, and T is taxes. The economists also estimate that the investment function is: I=3,300-100r, where r is the country’s real interest rate, expressed as a percentage. Calculate private saving, public saving, national saving, investment, and the equilibrium real interest rate.
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