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    Exam 21: The Simplest Short-Run Macro Model
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    Suppose Disposable Income for an Entire Economy Rises from $400
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Suppose Disposable Income for an Entire Economy Rises from $400

Question 123

Question 123

Multiple Choice

Suppose disposable income for an entire economy rises from $400 billion to $440 billion and desired saving rises from $50 billion to $60 billion.We can conclude that the marginal propensity to save for this economy is


A) 0.10.
B) 0.20.
C) 0.25.
D) 0.75.
E) 1.0.

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