A. Now, assuming the economy is open with government (G) participation and external trade which is summarized as follows; export(X)= 100-0.10Y, import(M)=50, G=100, Taxes(T)= 100 and C, I, MS, Mt, and Mz the same as defined in (a) above. Calculate;
i. The equilibrium income and interest rate in this new economy.
ii. The level of C, I, Mt, and Mz when the economy is in equilibrium
Solution
At equilibrium
IS=LM
solve for r
r= 1.09 is equilibrium rate of interest
is equilibrium income
2.
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