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Student Questions

Environmental systems and societies (ESS)

1.3 Sustainability

What Is the Doughnut Economics Model?

Learn how the doughnut economics model links social needs to planetary boundaries and how to apply it in IB ESS sustainability exam responses.

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HL.b Environmental economics

What Does Environmental Economics Study? (HL)

Learn what environmental economics studies in IB ESS HL, including market failure, polluter-pays policies, environmental valuation, and key exam distinctions.

HL.b Environmental economics

How Is Ecological Economics Different From Environmental Economics? (HL)

Learn how ecological economics differs from environmental economics, including assumptions, policy approaches, examples, and IB ESS exam technique.

HL.b Environmental economics

How Do the Circular Economy and Doughnut Economics Models Apply Ecological Economics? (HL)

Learn how circular economy and doughnut economics apply ecological economics by placing human needs and resource use within Earth's limits in IB ESS HL.

Economics

1.1 What Is Economics?

What Are the Four Factors of Production (Land; Labour; Capital; Entrepreneurship)?

Learn how land, labour, capital and entrepreneurship contribute to production, with precise definitions, examples and exam guidance for IB Economics.

1.1 What Is Economics?

What's the Difference Between Microeconomics and Macroeconomics?

Learn how microeconomics studies individual markets while macroeconomics examines the whole economy, with IB examples and exam advice for SL and HL.

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1.1 What Is Economics?

What Is Scarcity in Economics?

Understand scarcity in IB Economics, how limited resources force choices and opportunity costs, and how to explain it effectively in an exam response.

1.1 What Is Economics?

What Are the Three Basic Economic Questions (What; How; for Whom to Produce)?

Learn how scarcity forces economies to decide what, how, and for whom to produce, with precise terminology and exam guidance for IB Economics.

1.1 What Is Economics?

What Are Free Goods?

Learn what free goods are in IB Economics, why they have no opportunity cost, how they differ from economic and public goods, and how to identify them.

1.1 What Is Economics?

What Is Opportunity Cost?

Learn what opportunity cost means in IB Economics, how it arises from scarcity and choice, and how to explain it using examples and a PPC diagram.

1.1 What Is Economics?

What Does the Circular Flow of Income Model Show?

Learn what the circular flow model shows: interactions among economic sectors, real and money flows, leakages, injections, and equilibrium.

1.1 What Is Economics?

What Is the Production Possibilities Curve (PPC) and What Does It Show?

Learn how the production possibilities curve shows scarcity, choice, opportunity cost, efficiency, unemployment and economic growth in IB Economics.

1.1 What Is Economics?

What's the Difference Between Increasing and Constant Opportunity Cost on a PPC?

Learn how increasing and constant opportunity cost affect a PPC's shape and slope, why each occurs, and how to explain both clearly in IB Economics exams.

1.1 What Is Economics?

What Are Leakages and Injections in the Circular Flow Model?

Learn how saving, taxes and imports leak from the circular flow, while investment, government spending and exports inject income into the economy.

1.2 How Do Economists Approach the World?

What's the Difference Between Positive and Normative Economics?

Learn how positive economics uses testable claims while normative economics uses value judgments, with IB examples and essential exam technique.

1.1 What Is Economics?

What's the Difference Between a Free Market, Planned, and Mixed Economy?

Compare free market, planned, and mixed economies by ownership, resource allocation, incentives, and government intervention for IB Economics exams.

1.2 How Do Economists Approach the World?

What Is the Ceteris Paribus Assumption?

Learn how ceteris paribus isolates economic relationships, supports models such as demand, and should be applied in IB Economics exam responses.

1.2 How Do Economists Approach the World?

What Is Empirical Evidence in Economics?

Learn what empirical evidence means in IB Economics, how economists use real-world data to test hypotheses, and how to apply it in exam answers.

1.2 How Do Economists Approach the World?

What Is Adam Smith's Laissez-Faire Economics?

Learn how Adam Smith's laissez-faire economics relies on self-interest, competition and markets, while retaining an important role for government.

1.2 How Do Economists Approach the World?

What's the Difference Between Equity and Equality?

Learn how equity differs from equality in IB Economics, with examples of taxation, education, income distribution, and precise exam terminology.

1.2 How Do Economists Approach the World?

What Is Say's Law in Classical Macroeconomics?

Learn how Say's law links production, income, and demand in classical macroeconomics, including its assumptions, limitations, and IB exam relevance.

1.2 How Do Economists Approach the World?

What Was the Keynesian Revolution?

Learn how the Keynesian revolution challenged classical economics, explained persistent unemployment, and justified government demand management.

1.2 How Do Economists Approach the World?

What Is Monetarism / New Classical Economics?

Learn how monetarist/new classical economics explains inflation, full-employment output, automatic market adjustment, and policy for IB Economics exams.

1.2 How Do Economists Approach the World?

What Is Behavioural Economics?

Learn how behavioural economics uses psychology to explain bounded rationality, biases and nudges, with precise IB Economics exam guidance for SL and HL.

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