AI-generated, not reviewedHL only4 marks, command term Calculate
The figures are invented. In an economy the marginal propensity to consume is 0.8. (i) Calculate the Keynesian multiplier. [2] (ii) The government increases its spending by $12 billion. Using your answer to part (i), calculate the resulting change in GDP, assuming there is spare capacity and prices do not change. [2]
HL Paper 3-style calculation (standalone practice; not an IB question).