MPC & MPS: Marginal propensity to consume: delta C / delta DI ; % of every extra dollar earned that is spent Marginal propensity to save: delta S / delta DI ; % of every extra dollar earned that is saved MPC+MPS=1 1-MPC=MPS 1-MPS=MPC Spending Multiplier Effect: initial change spending (C,Ig,G,Xn) causes larger change in aggregate spending or AD Formula: Multiplier = change in ad / change in spending Happens because expenditures and income flow continuously which sets off a spending increase in economy Formula: Multiplier = 1 / 1-MPC or 1 / MPS Multipliers are positive when there's increase in spending and negative when there's decrease Tax Multiplier: when government taxes, multiplier works reverse bc money leaves circular flow Formula: Tax Multiplier = -MPC / 1-MPC or -MPC / MPS if tax cut, multiplier is positive bc more money in circular flow *MPS, MPC, Multipliers: Fiscal Policy: changes in expenditures or tax revenues of federal gov...
I like that you provided images to support your notes.
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