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Assume that the full-employment level of output is $2,000 and the price level associated with full-employment output is 100. Also assume that the economy's current level of output is $1,900 and at the price level of 100 current aggregate demand is $1,820. If the government moves the economy back to the full-employment level of output by reducing taxes by $60, then the MPC equals :________

Respuesta :

Answer:

MPC = 0.4

Explanation:

Multiplier shows change in income due to change (increase) in investment, or change (decrease) in tax. It is calculated by Marginal Propensity to Consume, as follows -

Multiplier ie k = Δ Income / Δ (govt investment or tax) = 1 / (1 - MPC)

Given : ΔG  ie tax fall = 60 ; Targeted income rise = Full employment - actual output = 2000 - 1900 = 100

k = ΔY / ΔG = 100 / 60 = 1.67

k = 1 / (1 - MPC) → 1 - MPC = 1 / k → 1 - MPC = 1 / 1.67 → 1 - MPC = 0.6

MPC = 1 - 0.6 → MPC = 0.4

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