G3 Economics notes
G3 Economics - syllabus K343, 2027
- The basic economic problem
Scarcity, the factors of production, opportunity cost and production possibility curves.
- Demand, supply and price
How markets work, what shifts demand and supply, equilibrium, and why prices change.
- Price elasticity of demand and supply
Calculate and interpret PED and PES, explain what affects them, and use PED to predict revenue.
- Market and mixed economies, market failure and intervention
How market and mixed economies work, why markets fail, and the tools governments use to correct them.
- Money, banking and households
What money is, how central and commercial banks work, and why households spend, save and borrow.
- Workers and wages
How people choose jobs, how wages are set and why they differ, labour mobility and division of labour.
- Firms and production
Types and sizes of firms, mergers, economies of scale, and how firms choose and use factors of production.
- Costs, revenue, objectives and markets
Calculate costs and revenue, explain what firms aim for, and compare competitive and monopoly markets.
- Macroeconomic aims and fiscal policy
What governments aim for, how aims conflict, the budget, taxation, and how fiscal policy works.
- Monetary and supply-side policy
How interest rates, the money supply and the exchange rate steer the economy, and how supply-side policies raise capacity.
- Economic growth
How growth is measured with real GDP, what causes it, its costs and benefits, recessions, and policies to promote growth.
- Employment and unemployment
How unemployment is measured, its types and consequences, and policies to reduce it.
- Inflation
How inflation is measured with the CPI, its causes and consequences, and policies to control it.
- Living standards and poverty
Measuring living standards with GDP per head and the HDI, why they differ, and the causes of and policies against poverty.
- Population and development
What drives population change, the effects of size and age structure, and why countries differ in development.
- Specialisation, free trade and globalisation
Why countries specialise and trade, globalisation and MNCs, and the methods, reasons and consequences of protection.
- Foreign exchange rates
What exchange rates are, how a floating rate is determined, why it changes, and how it affects exports and imports.
- The current account of the balance of payments
The four parts of the current account, why deficits and surpluses arise, their effects, and policies for stability.