The consumption function is given by C=AYB where B=0.5 and A=0.3. The marginal propensity to save (MPS) is: a) Equal to 0.5 b) increasing in income, Y c) equal to 0.3 d) equal to 0.7
The consumption function is given by C=AYB where B=0.5 and A=0.3. The marginal propensity to save (MPS) is: a) Equal to 0.5 b) increasing in income, Y c) equal to 0.3 d) equal to 0.7
Chapter1: Making Economics Decisions
Section: Chapter Questions
Problem 1QTC
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Here is a little easy one. The question is based on Macro.
The consumption function is given by C=AYB where B=0.5 and A=0.3. The marginal propensity to save (MPS) is:
a) Equal to 0.5
b) increasing in income, Y
c) equal to 0.3
d) equal to 0.7
The correct answer is b, I think as there is no direct way to calculate MPS(Righ?). Please work me through the logic of it. Please show clearly that MPS is an increasing function in Y. Thank you.
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