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பாாபாயேயான Figure 134 Aggregate expenditures per year (billions of dollars) $15,000 13,500 12,000 E 10,500 9,000 7,500 6,000
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Answer #1

Answer to the question is option c) The multiplier = 2

This is because , multiplier = 1/(1 - MPC)

MPC = Change in consumption / Change in real income

That is , MPC = ∆C / ∆Y

∆C = when real income equals 0 , consumption equals 3000. And when real income equals 3000 , consumption equals 4500. Consumption is measured along aggregate expenditure line and real income is measured along the 45° line. So therefore change in consumption equals 1500 (4500-3000).

∆Y = Change in real income equals 3000 (3000-0)

So therefore MPC = ∆C/∆Y = 1500/3000 = 1/2

Hence , multiplier = 1/(1 - 1/2) = 1/(1/2) = 2

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