2027 Comprehensive Exam Study Guide:
Updated Practice Questions, Expert
Solutions, Concept Mastery & High-Impact
Revision Strategies
Description
The 2026–2027 Comprehensive Exam Study
Guide is a complete and well-structured
resource designed to help students prepare
effectively, strengthen their understanding, and
improve overall exam performance through
focused practice and clear explanations.
This guide is built to support both learning and
revision, combining carefully selected questions
with expertly explained solutions. It helps you
move beyond memorizing answers by teaching
you how to approach, analyze, and solve
exam questions with confidence and
accuracy.
,Macroeconomics - ANSWER The study of the economy as a whole, including inflation, growth
and unemployment.
Aggregate demand - ANSWER The total of all demands or expenditures in the economy at
any given price.
Aggregate demand curve - ANSWER Shows the relationship between the price level and
equilibrium national income. As the price level rises the equilibrium level of national income
falls.
Animal spirits - ANSWER Business confidence: the mood of managers and owners of firms
about the future of their industry and the wider economy.
Gross investment - ANSWER The addition to capital stock, both to replace the existing capital
stock which has been used up (depreciation) and the creation of additional capital.
Investment - ANSWER The addition to the capital stock of the economy.
Retained profit - ANSWER Profit kept back by a firm for its own use which is not distributed
to shareholders or used to pay taxation.
Net exports or the net trade balance - ANSWER Exports minus imports.
Aggregate supply curve - ANSWER The relationship between the average level of prices in the
economy and the level of total output.
Full capacity - ANSWER The level of output where no extra production can take place in the
long run with existing resources. The full capacity level of output for an economy is shown by
, the classical long run aggregate supply curve or the vertical part of a Keynesian aggregate
supply curve.
Short-run aggregate supply curve - ANSWER The upward sloping aggregate supply curve
which assumes that money wage rates are fixed.
Supply-side shocks - ANSWER Factors such as changes in wage rates or commodity prices
which cause the short run aggregate supply curve to shift.
Circular flow of income - ANSWER A model of the economy which shows the flow of goods,
services and factors and their payments around the economy.
Closed economy - ANSWER An economy where there is no foreign trade.
Income - ANSWER Rent, interest, wages and profits earned from wealth owned by economic
actors.
Injections - ANSWER In the circular flow of income, spending which is not generated by
households including investment, government spending and exports.
National income - ANSWER The value of the output, expenditure or income of an economy
over a period of time.
Open economy - ANSWER An economy where there is trade with other countries.
Wealth - ANSWER A stock of assets which can be used to generate a flow of production or
income. For example, physical wealth such as factories and machines is used to make goods and
services.