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Sagot :
Answer:
A. Spending multiplier for this country = 2
B. Marginal propensity to save (MPS) for this country = 0.5
Explanation:
A. What will be the size of the spending multiplier for this country?
This can be calculated as follows:
Change in real GDP = New real GDP – Old real GDP = $470 billion - $480 billion = -$10 billion
Change in planned investment = -$5 billion
Marginal propensity to spend = Change in planned investment / Change in real GDP = -$5 billion / -$10 billion = 0.5
Spending multiplier for this country = 1 / (1 - Marginal propensity to spend) = 1 / (1 – 0.5) = 1 / 0.5 = 2
B. What is the marginal propensity to save (MPS) for this country?
This can be calculated as follows:
Marginal propensity to save (MPS) = 1 - Marginal propensity to spend
Marginal propensity to save (MPS) = 1 – 0.5
Marginal propensity to save (MPS) = 0.5
The spending multiplier for the country would be 2.
The marginal propensity to save (MPS) for the country would be 0.5
What is the calculation of the spending multiplier?
The spending multiplier would be derived after the computation of marginal propensity to spend.
Here, Change in planned investment would be divided by Change in real GDP, that is,
[tex]\frac{-5}{470-480} \\=0.5[/tex]
Therefore, the spending multiplier would be;
[tex]\frac{1}{1-MPS}\\ \frac{1}{1-0.5} \\=2[/tex]
What is the calculation of marginal propensity to save?
[tex]1-MPS\\=1-0.5\\=0.5[/tex]
Learn more about marginal propensity to save here:
https://brainly.com/question/25114074
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