CA Foundation P4 · Chapter 5 · Question 7 of 15
If the marginal propensity to consume is 0.8, the value of the investment multiplier in a simple two-sector Keynesian model is:
Test yourself: pick an answer
Reveal answer & explanation
Correct answer: C) 5
Explanation
Multiplier k = 1/(1 - MPC) = 1/MPS = 1/(1 - 0.8) = 1/0.2 = 5. 1.25 is 1/MPC, a common error, and 0.2 is the MPS itself.
More Determination of National Income MCQs
- Q9The 'paradox of thrift' suggests that:
- Q10In a three-sector economy (Rs. crore): C = 50 + 0.8Yd, where Yd = Y - T; lump-sum tax T = 100; investment I = 100; government expenditure…
- Q11In a simple Keynesian model with lump-sum taxes, if government expenditure and taxes are both increased by Rs. 100 crore, national income…
- Q12In an open economy, MPC = 0.8 and the marginal propensity to import = 0.05 (with no taxes). The open-economy multiplier is:
- Q13In the two-sector Keynesian model, equilibrium income is attained where:
