Consider the followingnational income model :
Y = C + I +Go
C = 161 + 0.48Y
3.2I = 233 + 0.14Y
Where Go =92
(a) Identify the exogenous variable/s.
if there are more thanone variable, separate each variable with a comma
Convert this system ofequations in matrix form.
(b) What is the determinant of the coefficient matrix?
(Give your answer to'three' decimal places, if possible)
(Note: you can useeither inversion or Cramer's rule to find the values of Y, C andI.)
(c) What is the equilibrium value of Y?
(Give your answer to'three' decimal places, if possible)
(d) What is the equilibrium value of C?
(Give your answer to'three' decimal places, if possible)
(e) What is the equilibrium value of I?
(Give your answer to'three' decimal places, if possible)
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