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Your maths questions, answered

Clear explanations for the questions that slow you down, with every step of the working shown.

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3 Government microeconomy intervention

Does Raising the Minimum Wage Cause Unemployment?

Does raising the minimum wage cause unemployment? Learn when jobs may fall, why monopsony can change the result, and what to explain in A Level Economics.

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3 Government microeconomy intervention

Transfer Earnings vs Economic Rent: The Difference

Understand transfer earnings and economic rent in A Level Economics through a worked wage example, the role of alternative jobs, and a common exam mistake.

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3 Government microeconomy intervention
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What Causes Government Failure?

What causes government failure? Learn how poor information, incentives, costs and unintended effects can make intervention worsen resource allocation.

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3 Government microeconomy intervention

Who Bears the Burden of an Indirect Tax?

Who bears an indirect tax? Learn how consumers and producers share its burden, how elasticity affects the split, and how to explain tax incidence in exams.

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4 The Macroeconomy

How Does the Circular Flow of Income Work?

Learn how the circular flow of income links households, firms, government and trade, and how injections and leakages affect national income equilibrium.

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4 The Macroeconomy

How Is GDP Calculated? Formula and Example

Learn how GDP is calculated using the expenditure formula, follow a worked example, and avoid double counting and common A Level Economics exam mistakes.

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3 Government microeconomy intervention

How Does a Monopsony Affect Wages and Employment?

Learn why a monopsony employer can lower wages and employment, and how a suitably set minimum wage may raise both in an A Level Economics labour market.

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4 The Macroeconomy

What’s the Difference Between GDP, GNI and NNI?

Learn the difference between GDP, GNI and NNI: domestic production, residents’ income and depreciation, with a short A Level Economics worked example.

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4 The Macroeconomy

How Is the CPI Calculated? A Worked Example

Learn how the CPI is calculated from a weighted basket of goods and services, with a worked example, the inflation rate formula and a common exam mistake.

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4 The Macroeconomy

What Causes Economic Growth?

What causes economic growth? Learn how higher aggregate demand and productive capacity raise real output, and why rising nominal GDP alone is not enough.

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4 The Macroeconomy

How Do You Read an AD/AS Diagram?

Learn to read an AD/AS diagram: identify the axes and equilibrium, track shifts in AD or AS, and explain changes in real output and the price level.

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4 The Macroeconomy

What Are the Different Types of Unemployment?

Learn the five types of unemployment in AS Level Economics, with clear causes and examples to help you distinguish frictional, structural and other types.

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4 The Macroeconomy

What Is the Multiplier Effect and How Do You Calculate It?

Learn what the multiplier effect means, how to calculate it using marginal propensities, and why saving, tax and imports reduce its size in an economy.

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4 The Macroeconomy

What's the Difference Between Inflation and Deflation?

Learn the difference between inflation and deflation, how to spot each using a price index, and why falling inflation is not the same as falling prices.

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4 The Macroeconomy

What Is Quantitative Easing and How Does It Work?

What is quantitative easing? Learn how central bank bond purchases can lower borrowing costs, raise aggregate demand and affect output, jobs and inflation.

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5 Government macroeconomic intervention

Expansionary vs Contractionary Policy Explained

Learn the difference between expansionary and contractionary fiscal and monetary policy, with clear examples and a common A Level Economics exam mistake.

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5 Government macroeconomic intervention

What Are Examples of Supply-Side Policy?

Examples of supply-side policy include training, infrastructure and technological support. Learn how each can raise productivity and productive capacity.

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5 Government macroeconomic intervention

What Does the Laffer Curve Show?

Learn what the Laffer curve shows about tax rates, tax revenue and incentives, including its limitations and the key A Level exam misconception.

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4 The Macroeconomy

What Are the Phases of the Business Cycle?

Learn the phases of the business cycle for Cambridge International A Level Economics: expansion, peak, contraction and trough, with recovery and exam pitfalls.

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5 Government macroeconomic intervention

Short-Run vs Long-Run Phillips Curve

Learn why the short-run Phillips curve shows a possible inflation-unemployment trade-off, while the long-run curve is vertical at the natural rate of unemployment.

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5 Government macroeconomic intervention

Fiscal Policy vs Monetary Policy: What’s the Difference?

Learn the difference between fiscal and monetary policy, the tools each uses, and how both can affect aggregate demand, output, employment and prices.

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4 The Macroeconomy

What Is an Output Gap? Positive and Negative Gaps

What is an output gap? Learn how actual and potential output differ, what positive and negative gaps mean, and how to calculate one with a simple example.

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4 The Macroeconomy

How Do Commercial Banks Create Money?

Learn how commercial banks create money through loans, deposits and the bank credit multiplier, with a clear A Level Economics worked example.

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6 International economic issues

What's the Difference Between a Tariff and a Quota?

Tariff or quota? Learn how an import tax differs from a limit on import quantities, why both can raise prices, and who receives the revenue or gains.

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