Christine initially has a disposable income of £500 a week and spends £400.
Christine’s disposable income then rises to £750 a week and her spending to £500.
What is Christine’s marginal propensity to consume?
Select ONE answer:
- 0.4
- 0.6
- 0.67
- 1.0
Show your workings to arrive at your answer, and explain and justify your reasons:……………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………
This multiple choice question is suitable for Economics KS5 classes.
The answer is 1
- Correct: mpc is ∆C/∆Y = 100/250.
- Incorrect: This is mps. ∆S/∆Y = 150/250.
- Incorrect: This is apc. C/Y = 500/750.
- Incorrect: This is the new spending/original income. 500/500.

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