Question

Assuming there is no trade, if the Marginal Propensity to Consume is 0.80 and the government...

Assuming there is no trade, if the Marginal Propensity to Consume is 0.80 and the government increases spending by $8 billion, by how much will output rise?

Select one:

a. By $24 billion

b. By $40 billion

c. By $48 billion

d. By $52 billion

e. By $60 billion

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Answer #1

B

Change in output = Initial increase in expenditure * 1/MPS

Now MPS (Marginal propensity to save) = 1 -MPC = 1-0.8 = 0.2

Thus change in output = $8 billion/0.2 =   $40 billion

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