An increase in the rate of growth of national output leads to a disproportionately large change in planned capital investment by firms. This economic relationship is best explained by
the action of the multiplier.
the action of the accelerator.
a fall in the marginal propensity to save.
an increase in spare productive capacity.
222 exam-style questions on AQA A Level Economics 2.2 How the macroeconomy works: the circular flow of income, aggregate demand/aggregate supply analysis and related concepts, covering 2.2.1 The circular flow of income, 2.2.2 Aggregate demand and aggregate supply analysis, 2.2.3 The determinants of aggregate demand, 2.2.4 Aggregate demand and the level of economic activity, 2.2.5 Determinants of short-run aggregate supply, and 2.2.6 Determinants of long-run aggregate supply. Each one has a worked solution and a mark scheme showing where the marks go.