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प्रश्न
The expenditure Ee of a person with income. x ls given by Ec = (0.000035).x2 + (0.045)x~ Find the marginal propensity to consume and marginal propensity to save when x = 5000. Also find the average propensity to consume and average propensity to save.
उत्तर
Given Ec = (0.000035)x2 + (0.045)x
APC = `E_c/x`
= 0.000035x + 0.045
At x = 5000.
APC = 0.000035 x 5000 + 0.045
= 0.22
MPC = `(dE_c)/(dx)`
= `d/dx` (0.000035)x^2 + (0.045)x
= (0.000035 x 2x) + 0.045
= 0.395
APS = 1 - APC
APS = 1 - 0.22 = 0.78
MPC = MPS = 1
0.395 + MPDS = 1
MPS = 1 - 0.395
MPS = 0.605
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