Suppose the economy of Macroland is described by the following: C = 200 + 0.8 DI

ENGR.ECONOMIC ANALYSIS
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Suppose the economy of Macroland is described by the following:
C = 200 + 0.8 DI (DI = disposable income)
I = 300 + 0.2Y − 50r (Y = GDP)
(r, the interest rate, is measured in percentage points. For example, a 9 percent interest rate is r = 9).

For this economy, assume that the Federal Reserve uses its monetary policy to peg the interest rate at
r = 5
G = 750
T = 0.25Y
X = 200
M = 150 + 0.2Y
Hint: DI = Y − T


From Table 36-1, find the trade deficit or surplus.
  a.
75 surplus
  b.
475 surplus
  c.
475 deficit
  d.
75 deficit
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