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Please help me with this exercise. please see the picture for my question! thanks alot! Consider an economy where aggregate investment is It = I

Please help me with this exercise. please see the picture for my question! thanks alot!

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Consider an economy where aggregate investment is It = I + BYt-1, government spending is Gt = VYt-1, and saving is sYt. According to the national accounts, we must have Yr = (a) Show that the dynamics of this economy can be summarized by a first-order difference equation. (b) Solve the difference equation and discuss its properties

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