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Given the following equation, derive the expression for the IS curve

      

Given the following equation, derive the expression for the IS curve.

C =100 +0.8Yd (Consumption function)

I = 10 –10r (Investment function)

G = 10 (Government purchases)

T = 0.25 (Tax rate)

  

Answers


Zainabu
Solution

i.) IS Equation

Y = C + I + G

=100 +0.8(Y - 0.25 Y) + 10 – 10r + 10

=120 + 0.6Y – 10r

Y – 0.6Y = 120 –10r

Y = 300 – 25r -IS equation.

Zainabdawa answered the question on August 1, 2018 at 09:06


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