Course review
Review each learning objective in this topic, then open its concept explanation or question set.
Learning objective
• Economics studies social choices about resource use and economic well-being • Microeconomics studies individual markets; macroeconomics studies whole economies • The nine key concepts provide the lens for analysing economic decisions
Start with the concept explanation, then practise to create mastery evidence.
Learning objective
• Factors of production are land, labour, capital, and entrepreneurship • Scarcity exists because unlimited needs and wants face limited resources • Scarcity creates opportunity cost, trade-offs, and sustainability challenges • Free goods do not require opportunity cost in the same way as scarce economic goods
Start with the concept explanation, then practise to create mastery evidence.
Learning objective
• Societies decide what and how much to produce, how to produce, and for whom to produce • Answers differ across free market economy, planned economy, and mixed economy systems • Market versus government intervention provides different ways to allocate resources
Start with the concept explanation, then practise to create mastery evidence.
Learning objective
• PPC shows scarcity, choice, opportunity cost, unemployment of resources, efficiency, actual growth, and growth in production possibilities • Opportunity cost can be increasing or constant depending on model assumptions • Diagram: PPC illustrating choice, opportunity cost, unemployment, actual growth, and growth in production possibilities • Diagram: PPC showing increasing versus constant opportunity cost
Start with the concept explanation, then practise to create mastery evidence.
Learning objective
• Circular flow shows interdependence between households, firms, government, banks, financial sector, and foreign sector • Leakages and injections affect the flow of income in an economy • Diagram: circular flow of income model with leakages and injections
Start with the concept explanation, then practise to create mastery evidence.