As a component of aggregate demand, investment is best defined as total expenditure
on financial assets such as shares, bonds, and savings accounts.
by firms on capital goods used in the production of goods and services.
by households on primary, secondary, and tertiary sector finished goods.
by the government on public services, welfare benefits, and infrastructure.
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.