If the marginal propensity to save is 0.35. What is the size of the expenditure multiplier?Provide answer to one decimal point.
Question
If the marginal propensity to save is 0.35. What is the size of the expenditure multiplier?Provide answer to one decimal point.
Solution 1
The expenditure multiplier can be calculated using the formula:
Multiplier = 1 / (1 - Marginal Propensity to Consume)
However, in this case, we are given the Marginal Propensity to Save (MPS), not the Marginal Propensity to Consume (MPC). But we know that:
MPC + MPS = 1
So, we can calculate the MPC as follows:
MPC = 1 - MPS MPC = 1 - 0.35 MPC = 0.65
Now, we can calculate the multiplier:
Multiplier = 1 / (1 - MPC) Multiplier = 1 / (1 - 0.65) Multiplier = 1 / 0.35 Multiplier = 2.9
So, the size of the expenditure multiplier is 2.9.
Solution 2
The expenditure multiplier can be calculated using the formula 1/(1-MPS), where MPS is the marginal propensity to save.
Here's how you can calculate it:
-
Substitute the given MPS into the formula. In this case, MPS is 0.35. So, the formula becomes 1/(1-0.35).
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Subtract 0.35 from 1 to get 0.65.
-
Finally, divide 1 by 0.65.
The result is approximately 1.54 when rounded to one decimal point. So, the size of the expenditure multiplier is 1.5.
Solution 3
The expenditure multiplier can be calculated using the formula 1/(1-MPS), where MPS is the marginal propensity to save.
Here's how you can calculate it:
- Subtract the marginal propensity to save from 1. In this case, 1 - 0.35 = 0.65.
- Then, divide 1 by the result from step 1. So, 1 / 0.65 = approximately 1.54.
Therefore, the size of the expenditure multiplier is 1.54 (rounded to one decimal point).
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